Complex sentence: His name doesn't appear in "Nihon Shoki" nor in "Shoku Nihongi" (History of Japan II), all data about him comes from "Man'yōshū".
Split into simpler sentences: His name doesn't appear in chronicles like the "Nihon Shoki" nor in "Shoku Nihongi" ("History of Japan " II). All biographical data about him comes from"Man'yōshū".