Masamine KOBORI, the fifth head of the clan, served the three generations of Ietsugu TOKUGAWA, Yoshimune TOKUGAWA and Ieshige TOKUGAWA, and was appointed as a wakadoshiyori (a managerial position in Edo bakufu) twice, being active as a member of the feudal government and having a prestigious designation as a hereditary daimyo.
5世小堀政峯は、徳川家継・徳川吉宗・徳川家重の3代に仕え、若年寄を2度務めるなど幕閣の一員として活躍し、譜代大名並の格式を許された人である。