He is said to be the son of Yasuhiro TSUCHIMIKADO and became a son-in-law of Yasuhiro's younger brother, Takatoshi TSUCHIMIKADO, however, there is here say that his real father was Takatoshi or Yasushige TSUCHIMIKADO (father of Yasuhiro and Takatoshi).
土御門泰広の子でその弟土御門隆俊の養嗣子とされているが、実父を隆俊あるいは土御門泰重（泰広・隆俊の父）とする異説もある。