There he disposes of the Nomarch of Alexandria appointed by Alexander. Diomedes was appointed prefect ("nomarch") of the Attica and Boeotia Prefecture in 1909. Both were daughters of the nomarch of Abydos Khui and his wife Nebet. He left Cleomenes of Naucratis as the ruling nomarch to control Egypt in his absence. For most of the history, each nome was headed by a nomarch. As Theban nomarch, Mentuhotep's dominion perhaps extended south to the first cataract. The title "nomarch" continued to be used even into the Roman period. He was an important nomarch and his name finds mention in Thutmose III's chapel. A nomarch was the government official responsible for a "nome". Every nome was ruled by a nomarch (provincial governor) who answered directly to the pharaoh.