On December 10, he was engaged to Chioko, a daughter of Tadakimi SHIMAZU who was the next family head of the Shigetomi family, the head family of the Shimazu clan, and became his adopted son.
11月1日、島津一門家筆頭の重富家の次期当主島津忠公の娘千百子と婚姻し婿養子となる。