Can that be done posthumously? Because if I remember correctly she said it was after her mother died, like there was something in the will, asset-wise (or suppo

Can that be done posthumously? Because if I remember correctly she said it was after her mother died, like there was something in the will, asset-wise (or supposed to be) that she signed for, and it turned out she ended up with the debt. I don't quite remember her wording, this was several years ago.