To have a child at all; Set was childless.
Isis and Nephthys.
The child of Nephthys and Osiris is Anubis, the ancient Egyptian god associated with mummification and the afterlife. In mythology, Nephthys, who was the sister of Isis and Osiris, had a relationship with Osiris, resulting in the birth of Anubis. He is often depicted as a jackal or a man with a jackal's head, symbolizing his role as a protector of the dead and guide to the underworld.
No Anubis is the son of Nephthys and Osiris even though set and Nephthys were married.
In Egyptian mythology, Anubis is often considered the son of Nephthys and Set or Osiris and Nephthys. Some texts also suggest that Anubis may be the son of Ra and Nephthys. However, his parentage varies in different sources, making it somewhat uncertain.
Anubis is most often thought to be a son of Osiris and Nephthys.
Four: Osiris, Horus the Elder, Set and Nephthys.
Nephthys aided her sister Isis in finding pieces of Osiris' body; standing against Set when he rose to take the throne.
Osiris, Isis, Set, Nephthys, and in some cases Horus.
When this is Elder Horus, the brother of Osiris, Isis, Set, and Nephthys.
Usually, Anubis is portrayed as the son of Nephthys and Set, Osiris' brother and the god of the desert and darkness. One myth says that Nephthys got Osiris drunk and the resultant seduction brought forth Anubis. Yet another says she disguised herself as Isis and seduced Osiris and subsequently gave birth to Anubis.
Isis had three brothers, Osiris, Horus (the elder), and Seth. She also had a sister named Nephthys. Isis eventually married her brother Osiris.
Thoth gave them to Nut so that she could have her children; Osiris, Isis, Set, Horus the Elder, and Nephthys.