Basically, Daimyo and Shogun passed Jomon only to their heirs so, authority, value, and the necessity of Jomon were strengthened along with the increase of the number of Kae-mon (as bellow) which were allowed to be possessed.
基本的に、諸大名や将軍家では定紋を嫡子だけにしか継がせなかったため、また時代とともに一家系で持ちうる替紋（後述）の数が増えるに連れて、定紋の権威や価値や必要性は強まっていった。