Since Yasumasa who was further granted an additional properties bearing 5,000 koku in 1607 also participated in the Tokugawa side and rendered distinguished military service in the Osaka no Jin (The Siege of Osaka), he was additionally granted additional properties bearing 15,000 koku, and was transferred to the Iiyama Domain, Shinano Province with properties bearing 35,000 koku.
安政は慶長12年（1607年）にはさらに5000石を加増され、大坂の陣でも徳川方に与して武功を挙げたため、さらに1万5000石を加増の上で信濃国飯山藩3万5000石に加増移封された。