I'm so sorry Typo. Times like these are always challenging, even in healthy families. But the abuse really makes the process even more painful and upsetting, I can imagine.

Try not to get wrapped up in the baloney of your great-grandfather's remaining monies. Instead, try to keep your focus upon the wonderful memories that you do have of him. It's terrific that you had a happy, healthy relationship with your great-grandfather! Hopefully, you have some nice pictures to refer back to as well.

I hope that your mother and aunt stand up for the decision your great-grandfather made. If it has to go to court, so be it. But, I'd highly recommend that you stay out of it and focus on that emotional bond you built.

Very gentle hugs to you...