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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to tell DH to split his inheritance with his half siblings?

465 replies

hesbelleth · 17/05/2026 18:17

DH lost both of his parents quite young, when he was in his late 20s. His parents were both on their second marriage. He was adopted but only found out on his dad’s death.

His mum had two biological children with her first husband. They are in their late 50s, so much much older than DH. He sees them maybe 2-3 times a year, but growing up he didn’t really see them for a few years at a time. They’re both nice people.

When his mum died, she left his dad all of their property/money. She wanted her half to be split amongst her three children.

When DH’s dad died, he left everything to DH. It’s not an enormous sum but includes a very small flat in Kensington so it’s an estate of £1m+

DH’s siblings have now come to ask if he will be giving them their share of the estate. That is, for the mum’s half, split between them. DH doesn’t want to give them anything as it was left to him. He also says the money is more useful for him than them as they’re retired or about to and own their own houses outright.

OP posts:
Notabarbie · 18/05/2026 19:53

I find it very strange that your DH doesn't care about what his mother's wishes were. Do you find him lacking in integrity generally?

JHound · 18/05/2026 19:50

Watchoutfortheslowaraf · 18/05/2026 18:50

in my family, my grandad died before my Nan and left everything to her but he wanted his biological kids included in the will when my Nan died. My nan ensured that all the kids inherited as he had wanted. Before my mum knew that’s what the will said, she was very clear that her and her brother would split with their half sisters if they weren’t included in the will. It’s a shame your DH doesn’t respect his mother’s wishes.

This is wonderful. My grandmother did something similar. Left money in her will to a daughter my grandfather had in a previous relationship (my grandfather left that daughter nothing.) There are some decent people.

LucyLoo1972 · 18/05/2026 19:49

Burningbud1981 · 17/05/2026 18:22

I agree. I had to laugh when I read that

Yes it is a huge sum!

Ceceprincess80 · 18/05/2026 19:48

So itsounds like his parents had a mirror will, if dad died first everything goes to his wife, if she died first everything goes to him. Unless the mum made a bequest for when she died, her assests pass to her husband and on his death to the named beneficiary, your husband. Thats the legality. He doesnt have to share but how long has his mum been dead? Have his half brothers been keeping only in touch to claim some estate. All seems odd. Wills don't have to be fair.

diddl · 18/05/2026 19:47

So essentially his mum left nothing to any of her children & his dad left it all to his only child?

ExecutorAttorneyAdvicePlease · 18/05/2026 19:46

JHound · 18/05/2026 19:40

I agree with you. He is going against his dead mothers wishes but this is why it is imperative to structure one’s affairs to avoid this happening. I am from a blended family and so a trust has been set up to avoid this situation.

Or she changed her mind.

I know I keep repeating myself but there is no use everyone talking about morals and DH being shitty when no-one actually knows what her final wishes were.

And I hope I annoy everyone enough that they write or update their Wills if not already done!

JHound · 18/05/2026 19:44

DisforDarkChocolate · 17/05/2026 18:22

I agree with you but it's his Mother's fault for not sorting this out with her will.

If it was me I'd give each sibling 1/6 because otherwise I'd feel awful.

Same. I could never simply ignore my mom’s wishes.

JHound · 18/05/2026 19:42

I will say though - funerals and inheritances really bring out the worst in people. I don’t know any family that has avoided money fall outs over wills.

JHound · 18/05/2026 19:40

I agree with you. He is going against his dead mothers wishes but this is why it is imperative to structure one’s affairs to avoid this happening. I am from a blended family and so a trust has been set up to avoid this situation.

researchers3 · 18/05/2026 19:40

hesbelleth · 17/05/2026 18:17

DH lost both of his parents quite young, when he was in his late 20s. His parents were both on their second marriage. He was adopted but only found out on his dad’s death.

His mum had two biological children with her first husband. They are in their late 50s, so much much older than DH. He sees them maybe 2-3 times a year, but growing up he didn’t really see them for a few years at a time. They’re both nice people.

When his mum died, she left his dad all of their property/money. She wanted her half to be split amongst her three children.

When DH’s dad died, he left everything to DH. It’s not an enormous sum but includes a very small flat in Kensington so it’s an estate of £1m+

DH’s siblings have now come to ask if he will be giving them their share of the estate. That is, for the mum’s half, split between them. DH doesn’t want to give them anything as it was left to him. He also says the money is more useful for him than them as they’re retired or about to and own their own houses outright.

Yanbu to give him your thoughts and remind him what his mum wanted.

But what a position to be put in. I imagine a lot of people's integrity goes out the window when they find themselves in this fairly common scenario.

ExecutorAttorneyAdvicePlease · 18/05/2026 19:36

ThreadGuardDog · 18/05/2026 19:22

The mum left everything to the dad. Who clearly didn’t respect her wishes.

How do you know what a true wishes were? She may have said one thing publicly but told her DH something else or changed her mind.

Mackerelfillets · 18/05/2026 19:35

Tableforjoan · 18/05/2026 19:30

That’s if mums half was even worth 500k back when she died.

It might have been 20k or 200k unless someone digs back though her personal bank account and checks how the property was owned. She might not have had much at all to will in the years she died before ops dad did.

Joint account automatically goes to the other named person on the account if I remember correctly. House likely again was automatically surviving partner as per the deeds.

That leaves her personal cash, investments and pension only.

True. It could be significantly less. For what its worth I would honor my mums wishes, appreciate he doesn't have to.

Tableforjoan · 18/05/2026 19:30

Mackerelfillets · 18/05/2026 19:12

I'm not sure it is that much. Mum's half of 1m....£500,000 divided by 3.

That’s if mums half was even worth 500k back when she died.

It might have been 20k or 200k unless someone digs back though her personal bank account and checks how the property was owned. She might not have had much at all to will in the years she died before ops dad did.

Joint account automatically goes to the other named person on the account if I remember correctly. House likely again was automatically surviving partner as per the deeds.

That leaves her personal cash, investments and pension only.

MILLYmo0se · 18/05/2026 19:29

So is this a home that MIL and FIL bought together? It might be a little different if it was FILs before marriage, but his mum was very silly not to organise this in her own will. Even from a tax point of view it would make more sense surely, because wouldn't the stop children be paying more on inheritance left by a step dad, or money passed on from a step brother than on something passed down from their mum

Ohpleeeease · 18/05/2026 19:28

Another2Cats · 18/05/2026 19:12

"...so why is it only now that the half siblings are asking about inheritance?"

They are not even half siblings. But I do agree with you that the very late claim doesn't do them any favours.

From the OP, it appears that they are the biological children of his adoptive mother. The mother (and also father) that didn't ever tell him that he was adopted.

Yes I’d forgotten that. I wonder if DH being adopted was significant in how things were bequeathed?

Fairy25 · 18/05/2026 19:26

I totally agree with you. And I wouldn’t be happy with my dh if he didn’t give his siblings their fair share. He will still get way more! It’s sad really that he prefers money to helping his family.

catlover123456789 · 18/05/2026 19:22

This is why you should never write a will that doesn't explicitly set out your wishes, as otherwise you're relying on someone's good will to carry them out.
I don't think they have a legal claim but morally yes he should share it.

ThreadGuardDog · 18/05/2026 19:22

Burningbud1981 · 17/05/2026 18:20

What happened when the Mum died. Did she leave a will. Why wasn’t the estate split between the children and the husband then.

The mum left everything to the dad. Who clearly didn’t respect her wishes.

Aworldofmyown · 18/05/2026 19:21

Its his choice. However, if my husband did this to siblings I would judge him and question how I still felt about the man that I married.

Whowouldwanttobeateacher · 18/05/2026 19:18

He should share. I would say he keeps 50 percent as his fathers share and the. Split the other 50 3 ways for his mother's share.

ExecutorAttorneyAdvicePlease · 18/05/2026 19:15

As often said on MN - inheritance is not a right (beyond what is written in law, whether that be the rules of intestacy or through a Will).
If you want your wishes to be truly followed then write a Will. There is nothing moral beyond following the wishes of the deceased.

Who knows whether the mother truly wanted to leave anything to her biological children.
She may have said that outwardly to keep the peace but then told her husband to give everything to their adopted son. He may have been honouring her true wishes.

browneyes77 · 18/05/2026 19:15

OnlyTheBravest · 17/05/2026 20:06

If there was a will and the mother had stated this in her will, then her intentions were know and morally, your DH should hand 1/6 of the inheritance to each of his half siblings.

However if the mother passed first and left everything to her husband, then her will is cancelled out and the husband's will counts in the eyes of the law.

In blended families, rather than joint tenants on the deeds, this should be changed to tenants in common and then the share of the house can be divided up as to the wishes of each individual, with the clause that the widow can stay in the house until their passing.

This is exactly what my mom did.

My dad has children from his previous marriage. But the house he and my mom own together, she wanted to ensure that my brother and I got that, because it was our family home and nothing to do with our half siblings. (We barely have a relationship with them - their choice. And they have a mother with a house that can be left to them).

So she severed the joint tenancy to be tenants in common instead, so that she would have 50% of the house that she could specifically ring fence in her will for my brother and I. My Dads will leaves his half of the house to my mother first, and then to us if my mother has passed.

If you have express wishes you want fulfilled, then you need to make a will that reflects that. Don’t just rely on someone else to do that for you.

HelenaWilson · 18/05/2026 19:13

Have you read her will? .... And if you try to convince your husband to go against his father's will...

There is nothing to indicate that either of them made a will. Both of them may have died intestate.

If the mother wanted her older children to inherit a share of her estate, either after her death or after her husband's death, she could have ensured that by making a will.

If the first will is drawn up properly, the children can't be disinherited by the surviving spouse making a later will.

Daybydayhour · 18/05/2026 19:12

eiteanpiobardubh · 17/05/2026 18:22

Yes. His mum's half should be split three ways between the three children of the mum. DH gets all of the dad's half.
DH - 2/3 of estate
Each half sibling - 1/6 of estate

The fact that the dad ignored his wife's wishes is immaterial. This is what the mum wanted to do with her estate so DH should honour that.

This.

his mum half split 3 ways is 1/6 to each brother let’s say it is 600,000 - he still gets £400000 and it’s the right thing to do

Mackerelfillets · 18/05/2026 19:12

Cheersminesalargeone · 17/05/2026 18:21

This is why everyone should make a will with a solicitor. I think it would only be fair to do as mum asked and split it 3 ways it’s still 300k plus which isn’t to be sneezed at.

I'm not sure it is that much. Mum's half of 1m....£500,000 divided by 3.

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