sentences:  Since this judging of righteousness was an important part of the underworld, Babi was said to be the first-born son of Osiris, the god of the dead in the same regions in which people believed in Babi.Baboons also have noticeably high libidos, in addition to their high level of genital marking, and so Babi was considered the god of virility of the dead.He was usually portrayed with an erection, and due to the association with the judging of souls, was sometimes depicted as using it as the mast of the ferry which conveyed the righteous to Aaru, a series of islands.