As His two older brothers died young, who were Tadahiro KAZANIN (Shogoinoge jiju [Senior Fifth Rank, Lower Grade, Chamberlain]) and Sadanori KAZANIN (Sakone no chujo [Middle Captain of the Left Division of Inner Palace Guards])(Jusanmi Sakon e no chujo [Junior Third Rank, Middle Captain of the Left Palace Guards]), He took over the 24th Head of the Kazanin family belonging to the FUJIWARA no Morozane line of the Northern House of the Fujiwara clan.
二人の兄（花山院忠広（正五位下侍従）と花山院定教(左近衛中将)（従三位左近衛中将））が若くして死去したあと、承応2年（1653年）に藤原氏藤原北家藤原師実流の花山院家24代当主となる。