Alexander (Gr. Ἀλέξανδρος, died 48 or 47 BC), or Alexander Maccabeus, was the eldest son of Aristobulus II, king of Judaea.[1] He married his cousin Alexandra Maccabeus, daughter of his uncle, Hyrcanus II.[2] Their grandfather was Alexander Jannaeus, the second eldest son of John Hyrcanus.[3] Mariamne, the daughter of Alexander and Alexandra, was Herod the Great's second wife and Hasmonean queen of the Jewish kingdom.