During the Hogen War in 1156, MINAMOTO no Chikaharu (Chikaharu UNO), who was also a fifth-generation descendant of Yorichika and a worthy opponent of Shinjitsu, supported the retired Emperor Sutoku; for this reason he became a prisoner of war, but due to the farsightedness of the retired Emperor Goshirakawa, who wanted to discourage the expansion of the Nanto forces, he was pardoned and returned home.
信実の好敵手であった源親治（宇野親治、同じく頼親から五代後）は、保元元年(1156年)の保元の乱において崇徳上皇方についたため捕虜となるが、南都勢力の伸張を牽制したい後白河天皇の深謀遠慮により、罪を赦されて帰郷を果たしている。