I only wrote a will to try to express who I thought my daughter should be cared by because it might make a difference when it comes to custody, as there is nobody who would automatically assumed to be her carer. Said people are now not suitable, as we lost touch, but there’s noone else to put in their place. I just have to live.
Financially it makes no difference as it would all go to her anyway.
No, they couldn’t. If I died intestate, everything would, without contest, go to my daughter. If I had more than one child, it would be equally shared. If my child had already died, their child/ren would inherit in their stead. If I were married or civilliy partnered, everything would go to my parner (and nothing to my daughter). Nobody else could claim anything, legally. Illegally they could, but that’s the same as with a will.
This is in the UK; Nava is (WRT her will) in Spain. It could be contested in the courts, but unless you have lots of money (in which case you probably need a will for other reasons) it won’t be.