Wow sleeping - what an emotional week you have had, and this is a really lovely gesture - In my experience, getting new guineas is actually a positive step towards dealing with sadness over lost ones, they never replace the ones you loved and lost, but you will love them and they will become special to you - I promise.
Just a word of caution - foxes are cunning little buggers. I do like them, but I don't like them taking off our dear little pets - they know no mercy and they are very clever. They will be back to the place you kept Salt and Pepper, as they know this is now a good place for dinner - it happens with chickens all the time, they are taken, replaced and the foxes know where to go back to..... My advice would be to have them as indoor guineas, or keep them safely locked in a shed/consevatory, somewhere safe at night. I know you are sad about losing these dear pets, but the two new ones will be a comfort.
Oh goodness, I am so, so sorry. This must be very hard for you, but even if you didn't shut the hutch properly, we are all only human and mistakes happen. It's not your fault. However, foxes are flipping clever and can open all sorts. I have also seen photos of them having chewed through a shiplap shed to get to bunnies, so sometimes there's just nothing you can do. I am so paranoid I have padlocks on my bunny sheds, but I still worry.
I think its lovely of him . Just a thought to make the hutch more fox proof ,on our rabbits hutch my DH put a holder at each end so we can put a bar right across the front IYSWIM , that way the doors won't swing open even if they're undone . We did it to stop our dog opening the hutch and its been brilliant . Have fun with your new piggies , my mum recently lost her ginger pig and its been very upsetting .
How horrible Can your BIL search for remains and do a burial? It all sounds far too distressing for you and the DC to find
Anyway you can keep the new arrivals indoors? They will never replace the S&P shaped hole in your heart but in time you will grow to love them for their own little ways. Agree BIL was being a bloke but a well meaning one
could you look on ebay for a 2nd hand hutch for indoors or free cycle.
My GP lives in an indoor cage we bought in Lidl years' ago or could you bring them in at night in a wooden box or drawer or something and pop them in the kitchen for peace of mind then put them back out in the day.