DEAR ANNIE: Last weekend, my beloved sister died from Alzheimer’s after a very long, difficult and painful decline. I was her sole caretaker for the past three years because my other sisters live too far away to help. I was with my sister up until the moment she died, working with hospice to try to make it easier for her and communicating her passing to my other sisters, who also loved her very much. Now my other sisters and I have decided we would like to hold a memorial service for her back in our hometown, where her ashes can be buried with my parents. However, one of my other sisters and I…