In addition, some clans with a strong matrimonial relation with the shogun family such as the Maeda clan of the Kaga Domain, the Ikeda clan of the Tottori Domain and the Ikeda clan of the Okayama Domain were treated correspondingly to the gokamon and granted the surname of Matsudaira and the family crest of Mitsuba aoi (three leaves of Hollyhock, which is a family crest of the Tokugawa family).
また、加賀藩前田氏、鳥取藩池田氏、岡山藩池田家など将軍家との姻戚関係の強い藩は御家門に準ずる扱いを受け、松平姓と三つ葉葵を下賜された。