Du so, in Miyun County, Hebei Province (this is in Beijing), and tree origin.ming zheng tong four years (1439), any stabilitygong chang House County (now Dingxi) Kochi.

• 杜让，河北省密云县(今属北京市)人，举人出身。明正统四年(1439),任巩昌府安定县(今定西)知县。