Peithon, son of Agenor (?-312 BCE) was an officer in the expedition of Alexander the Great to India, who became satrap of the Indus from 325 to 316 BCE, and then satrap of Babylon, from 316 to 312 BCE, until he died at the Battle of Gaza in 312 BCE. Wikipedia
The definitive Wikipedia entry for Peithon, Son Of Agenor. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Peithon%2c_son_of_Agenor
... a Macedonian nobleman named Agenor and served as an officer in the army of Alexander the Great. He is first mentioned as the commander of a phalanx batallion in the story of Alexander'... www.livius.org/pb-pem/peithon/peithon_2.html