Oh, that's a fair point. I guess they might think mutants every actually die and continue to be dead!

That will was novella length, and given that all the legal information it apparently contained could be covered in a single sentence and it also looked to be hand-written we can only assume it was ninety-nine pages of fond reminiscence and one page of 'also you own all my stuff now, please don't throw my children out of the house XOXO.'