Gatumdug of the Immortals

Gatumdug's father was Anu of the Immortals and his mother was Unknown UNKNOWN.  His paternal grandparents were Elohim Nephilim of the Immortals and Kishar of the Immortals. He had a brother named Martu. He had two half-brothers and a half-sister, and also a half-sibling of unknown gender, named Enki, Enlil, Gula and Nin-Khursag.