In the time of his grandson Mototeru MATSUDA, when Naoie UKITA increased his influences, he had his son Motokata MATSUDA marry a daughter of Naoie to ally, and further, he took sides with Haruhisa AMAGO, who had strong influence in Mimasaka and Bicchu at the time, advancing to Bizen to attack the Uragami clan, by which he tried to maintain his power.
孫の松田元輝の代になると宇喜多直家の力が強大になり、子の松田元賢に直家の娘と婚姻させ、姻戚関係を結ぶ、更には当時美作・備中への影響力が強かった尼子晴久が浦上氏を攻撃すべく備前へ侵攻してきた際には、尼子方に属するなどによって勢力の維持を図ろうとした。