The 'Zoku Shoka Jinbutsushi' by Bunzo AOYAGI tells that Jakuchu studied under Shunboku OOKA, a painter of the Kano school. Jakuchu's tombstone has an inscription by Daiten Kenjo that says he studied at the Kano school; however, there is no historical record of him receiving training there.
「続書家人物志」（青柳文蔵）には、若冲が狩野派の画家大岡春卜に師事したとの記述があり、大典顕常による若冲の墓碑銘にも狩野派に学んだとあるが、誰かに師事したことを示す史料はない。