You can also post on Ancestry that you are looking for family of a lost heirloom. Post just enough to trigger a memory of something but not all the info so the person that comes forward can give you info that assures you that it is their family.
Don't mean to sound cynical, but I had 1700 family bible and people came forward saying they were family, that really wasn't. It is wonderful that your trying to find them! Good luck!