What Do We Do with Great Aunt Barbara?

I don’t want my heirs to have to deal with this question

Who is this? From family photo collection, unknown photographer deceased, rights belong to author

I’m currently sorting through a lot of possessions passed down from family members who lived before us. Many are photos of people I’ve never met whose names I don’t even know. Some are in elaborate frames. What do I do with them? We think the lead photo could be my husband’s father, but even my husband…