Yoshiyasu YANAGISAWA, the son of Yasutada, became a confidant of Tsunayoshi, and when Tsunayoshi became the fifth shogun, Yoshiyasu was given 10,000 koku, became a goyonin (one of the most senior retainers of the shogun) and was allowed to use the name MATSUDAIRA.
安忠の子柳沢吉保は綱吉の腹心となり、綱吉が5代将軍になると元禄元年（1688年）1万石を与えられて側用人になり、松平姓を許された。