Fujiwara no Sukemitsu
Fujiwara no Sukemitsu, also called Nii Sukemitsu, was a fourth son of Fujiwara no Suketaka, head of the Sanuki Fujiwara, and founded the Nii warrior house. He fought in the Genpei War at the Battle of Mizushima in Bitchū in 1183 and joined Minamoto no Yoshitsune at the Battle of Yashima in 1185.
He received a letter of commendation from Minamoto no Yoritomo and was confirmed in his holdings. His son Sukemura later took the name Kōzai after the Jōkyū War of 1221.