Kunichika (1835-1900)

Is Ōshima Yasohachi 

B9922573 p. 7, 8 en 12: Toyohara Kunichika was born Ōshima Yasohachi ... (1835) ... his father, Ōshima Kyujū, was ... During his youth Yasohachi assumed the surname of Arakawa from his mother, Arakawa Oyae, ... In addition to Kunichika's artist signature, his family name of Arakawa Yasohachi appeared on his works after 1875 when artists and publishers' names and addresses were required on prints ... this time he became a student of the undistinguished artist (Ichiōsai) Toyohara Chikanobu ... his acceptance as an apprentice into the studio of Utagawa Kunisada ... The name Kunichika is a combination of the artist' names of his two teachers, Toyohara Chikanobu and Utagawa Kunisada ...