I have a 3 year old dd from a previous relationship he was very abusive to us both and has no contact with dd. She has my surname although her dads name is on birth certificate. Fast forward a few years I am pregnant with dps baby, he brought dd up since she was a baby and she calls him dad, we have had a huge argument as he doesn’t want to take my surname when we marry (same as dds) which to me would be easier, as in order to change dds surname I need ex partners consent which he wouldn’t give. I also do not wish to contact him ever again due to the abuse.
My issue is dp proposed to me and it’s obvious to me that if I took his name, as dd grows up she would feel left out, not part of the family, excluded, just because of a name. I don’t ever want her to feel any of those things which is why I asked dp if he would take my name when we marry. He is so adamant he won’t and is also upset because he wanted baby to have his surname.
I don’t want babies with different surnames, to me this would make them feel like they are not related, I think we should all have the same family name but he is refusing. I can give baby mine and dds surname but I can’t force dp to take me name. I just feel like it won’t feel like a family unit if he has a seperate name. AIBU?