Dealing with the siblings after the parents' death

When my mother down sized, she had boxes and boxes of my grandmother’s genealogy research none of my siblings wanted it but my mom refused to let us toss it, she finally allowed me to send it to a cousin on the west coast that is LDS and interested in genealogy. It cost me $$ to ship all those boxes but it was worth it to get rid of them in a way that didn’t upset my mother. I’m sure my cousin flipped when she saw how much stuff she agreed to take!