Mitsuba-aoi were slightly different between each family; the hollyhock crest with a front view of three leaves was only used by Seii taishogun (literally, "the great general who subdues the barbarians") while the one with two front-sided and one back-sided leaves was for the Owari family, the one with one front-sided and two back-sided leaves was for the Kishu family, and the one with three back-sided leaves was for the Mito family.
三表葵御紋は征夷大将軍のみで尾張家は二表一裏葵御紋、紀伊家は一表二裏葵御紋、水戸家は三裏葵御紋であるから三つ葉葵にも各家若干の違いがある。