According to 'Zeshi rokuju igo Sarugaku dangi' written by Kannami's son, Zeami, Kannami's grandfather was born into the Hattori clan of Iga Province and was adopted by Nakaya in the Uda region, and Kannami's father was born from the union between him and a woman in Kyoto.
観阿弥の息子、世阿弥の『世子六十以後申楽談儀』には、観阿弥の祖父が伊賀の服部氏一族から宇陀の中家に養子にいき、その人が京都の女性と関係して生まれた子が観阿弥の父であるという記述がある。