Alexander Helios was a Ptolemaic prince and son of Pharaoh Cleopatra VII of the Ptolemaic dynasty and Roman triumvir Mark Antony. Alexander's fraternal twin sister was Cleopatra Selene II. Cleopatra named her son after Alexander the Great. His second name in Ancient Greek means "Sun"; this was the counterpart of his twin sister's second name Selene (Σελήνη), meaning "Moon".
Bronze statuette identified as Alexander Helios, mid-1st century BC, Metropolitan Museum of Art
The Ptolemaic dynasty was a Macedonian Greek royal house which ruled the Ptolemaic Kingdom in Ancient Egypt during the Hellenistic period. Reigning for 275 years, the Ptolemaic was the longest and last dynasty of ancient Egypt from 305 BC until its incorporation into the Roman Republic in 30 BC.
A seated woman in a fresco from the Roman Villa Boscoreale, dated mid-1st century BC. It likely represents Berenice II of Ptolemaic Egypt wearing a stephane (i.e. royal diadem) on her head.
Cameo of Ptolemaic rulers (Kunsthistorisches Museum)
The Gonzaga Cameo of Ptolemy II Philadelphus and Arsinoe II from Alexandria (Hermitage Museum)
Ptolemy I, founder of the dynasty.