Don’t be scared, but there may be strangers in your house. Anyone lucky enough to inherit their family’s photo album must have wondered about some of the folks in there. Are there unlabeled Victorian-era portraits where people look as stiff as statues? Maybe there are snapshots from a century ago of relatives posing with seemingly close friends – but could they be distant relations you’d like to know about? There may also be missing persons. Why do none of the photos with great-aunt Tilda include her husband Cornelius?