About Mariamne .
Herod of Chalcis (d. 48 AD), also known as Herod V, was a son of Aristobulus IV, and the grandson of Herod the Great, Roman client king of Judaea....His first wife was his cousin, Mariamne.[^ This Mariamne was the daughter of Joseph ben Joseph (nephew of Herod) and Herod's daughter Olympias, who was the sister of Herod - Archelaus and Herod Antipas. See Antiquites XVIII 5:4.] She bore him a son, who was also named Aristobulus, and who eventually became ruler of Chalcis. After Mariamne's death, he married his niece Berenice, with whom he had two sons, Berenicianus and Hyrcanus.
Wagner, Sir Anthony Richard; ‘Pedigree and Progress: Essays in the Genealogical Interpretation of History’
Herod's Judaea: A Mediterranean State in the Classical World