Ptolemy XII Neos Dionysus was a king of the Ptolemaic Kingdom of Egypt who ruled from 80 to 58 BC and then again from 55 BC until his death in 51 BC. He was commonly known as Auletes, referring to his love of playing the flute in Dionysian festivals. A member of the Ptolemaic dynasty, he was a descendant of its founder Ptolemy I, a Macedonian Greek general and companion of Alexander the Great.