| As his elder brother, Okiyuki was killed in battle in the Japan's Invasion of Korea, he became the heir of the MATSUI family and succeeded to the Matsui family property in 1611 when his father, Yasuyuki went into retirement. |
兄松井興之が朝鮮出兵で戦死したため松井家の世子となり、慶長16年（1611年）、父・康之が隠居したのに伴い松井家の家督を相続した。 |