After Gentaku, the Otsuki family produced many excellent scholars, and people called 'the Rai family in the west, the Otsuki family in the east' (the Rai family was famous for Sanyo RAI).
玄沢以後、大槻氏からは優秀な学者が多く輩出し、「西の頼家、東の大槻家」（頼家は頼山陽で有名）ともいわれた。