All six gods were born as children of Izanagi and Izanami after Ogotooshio-no-kami was born first during kamiumi (birth of the gods), after kuni-umi (the birth of (the land) of Japan) in Kojiki (The Records of Ancient Matters).
六柱とも、古事記において国産みを終えた後、神産みの最初に大事忍男神が産まれた後にイザナギとイザナミの子として産まれている。