His marriage with Clodia was never consummated, he returned her to her mother with a letter informing her that he was returning her in "mint" condition.
His maternal half sibling was Clodia Pulchra and his paternal half siblings were Antonia Major and Antonia Minor (by Octavia Minor), and Alexander Helios, Cleopatra Selene II, and Ptolemy Philadelphus (by Cleopatra VII).