The kamon (crests) of the Kawakatsu clan (the vassals of the Edo bakufu) included the Kiri ni Hoo (paulownia flowers with a mythical fenghuang bird), Kuginuki (nail puller in the shape of a diamond), Go-shichi no Kiri (seventeen paulownia flowers divided into three groups as 5＋7＋5), Go-san no Kiri (eleven paulownia flowers divided into three groups as 3＋5＋3).
家紋は、桐に鳳凰、釘抜、五七桐、五三桐など。