Ptolemy XIII of Egypt

Ptolemy XIII of Egypt (62 B.C.E - January 13, 47 B.C.E) was Pharaoh of Egypt. He had Pompey Magnus beheaded in order to gain the support of Julius Caesar in his civil war against his sister, Cleopatra VII of Egypt. Caesar refused and was defeated by an alliance between Cleopatra and Caesar. During an escape he drowned.