As it is clear from the fact that after the attack on the Hojo domain and the Bunroku-Keicho War, his legitimate child Toshinaga ordered Ukon to improve Kanazawa-jo Castle, he appointed Ukon to a responsible post as the brains, and he continued to be on friendly terms with Ukon.
北条攻め、文禄・慶長の役の後には嫡子利長が金沢城の整備などを命じるなど、彼をブレーンとして重用し、親しい関係が続いた。