Since Masamune DATE it became customary that the position of Mutsu no kami as an official court title for samurai was granted to the family head of the Date family or the lord of the Sendai Domain, that is, the position was taken over by the Date clan by heredity till the end of Edo period.
伊達政宗以降、武家官位としての陸奥守の職は伊達家当主・仙台藩主に与えられるのが慣例となり、代々伊達氏が世襲し幕末まで続いた。