December 25, 2016 4:45 pm NBC10 @ Issue: Trace Your Family History The Historical Society of Pennsylvania, despite its name, isn’t just for Pennsylvania history. The society can help discover family history from families all across the east coast, says Dr. Lee Arnold. US & World Videos 2:54 UPenn leaders reiterate to pro-Palestinian protesters that they need to disband 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody