Taira no Tsunenaga

Taira no Tsunenaga (1024–1108) was a Heian warrior, son of Taira no Tsunemasa, who fought for Minamoto no Yoriyoshi and Minamoto no Yoshiie in the Earlier Nine Years' and Later Three Years' wars.

After the campaigns he built a residence in Kazusa and then advanced into the Chiba district of Shimōsa, taking the title Chiba daibu. He died in 1108; his sons Tsunekane and Tsuneharu founded the Chiba and Kazusa clans respectively.