Dictionary of African Biography, accessed February 27, 2014, via Oxford African American Studies Center database (Manetho; historian; born about 305 BCE in Sebennytos, Egypt; was active during the reigns of Ptolemy I (305-282 BCE) and Ptolemy II (282-246 BCE); was educated in both Egyptian and Greek; belonged to the group of supporters and relatives of Nectanebo II, who collaborated with Ptolemy I; his most important works were historical - Against Herodotus and Aigyptiaka; died presumably in Egypt)
Ency. Brit., 1981 (Manetho, also Manethos or Manethon, fl. c. 300 B.C., Egyptian priest, historian)