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Caesarion, the last pharaoh of Egypt, was the son of Julius Caesar, the Roman dictator. Caesarion's mother was Cleopatra VII, the last pharaoh of the Ptolemaic dynasty. Caesarion was born in 47 BC and was named Ptolemy XV Caesarion. He was co-ruler with his mother until her death in 30 BC, when he became the sole ruler of Egypt.