Surname GongSun (公孙) · Origins and Regions — Born Hour

The complete origin of surname GongSun (公孙) and its common regions: 公孙姓源于春秋时期，古代诸侯王之孙称为"公孙"。该姓主要出自鲁国公族，为鲁献公之孙公子仲遂、公子叔牙等的后代，其子孙以"公孙"为姓。另有出自卫、郑、齐等国公族后裔，亦以公孙为姓。