The Uesugi were territorial warlords (shugo daimyō) of the Muromachi Period (1333-1568) who dominated the Kantō) region for a hundred years. The clan traces its lineage to the influential Fujiwara family. Fujiwara no Kiyofusa's second son, Uesugi Shigefusa (上杉重房), descended from Fujiwara no Yoshikado (藤原良門), the head of a cadet branch of the Fujiwara family. In the 13th century, he...