abstract:Maru-ni-mitsuba'aoi ("Circle Around Three [[Hollyhock Leaves"), the Tokugawa clan's crest (mon).]]The , also called simply Gosanke, or even Sanke, were three branches of the Tokugawa clan of Japan descended from clan founder Tokugawa Ieyasu's three youngest sons, Yoshinao, Yorinobu and Yorifusa and allowed to provide a shogun in case of need.