Munetsugu's son, Munetsuna MATSUNOKI, was promoted to the rank of Juichii (Junior First Rank) and the position of Jun-daijin (Vice Minister) because he had the trust of the seii taishogun (literally, "great general who subdues the barbarians") of that time, Yoshitane ASHIKAGA of the Muromachi bakufu (Japanese feudal government headed by a shogun).
またその子松木宗綱は室町幕府征夷大将軍足利義稙の信任を受けて従一位准大臣となった。