Chiba Taneyasu

Chiba Taneyasu was a warrior of the Nanboku-chō period and the second son of Chiba Munetane, ninth head of the Chiba clan. While Munetane governed Hizen Province, his younger brother Tanemune seized the family's Chiba manor in Shimōsa, and Tanemune's son Sadatane took the headship.

In 1335 Taneyasu's elder brother Tanesada attacked Sadatane's estate, but died of disease in Mikawa in 1336. Taneyasu, established in Ogi district of Hizen, then founded the Kyushu, or Hizen, branch of the Chiba.