The family status of Seiga family was secured after Tadamasa KAZANIN, Ietada's grandson, became the Grand Minister of State, and his son, Kanemasa KAZANIN who was a trusted vassal of the retired Emperor Goshirakawa, was promoted to the Minister of the Left.
家忠の孫花山院忠雅が太政大臣、その子で後白河上皇の近臣である花山院兼雅が左大臣に進み、清華家としての家格が確立された。