Agathocles of Syracuse
Agathocles was a second child born to Theoxena of Egypt; the names of his father and older sibling are unknown. He was named after his maternal grandfather, Agathocles of Syracuse, who had been tyrant and then king of Syracuse from 317 to 289 BC. His maternal grandmother was Theoxena of Syracuse, a Greek Macedonian noblewoman; she was the second older maternal, half-sister of the Greek Egyptian Pharaoh Ptolemy II Philadelphus, who reigned 283–246BC.