Do you have some thing that she has given you in the past that you can give back to her daughter? I love this type of gift the most. I have my great-grandmothers earrings. I have earrings from my friend in NM. A ceramic egg from a friend I worked with. Even if they say they don't want it, it was theirs and they loved it at one time and they have entrusted me with it now. Just an idea.