Male Marcus Antonius Marcus Antonius II

Marcus Antonius' father is Marcus Antonius Marcus I and his mother is Julia Caesar Lucius Julius III.  His paternal grandfather is Marcus I Gaius Antonius; his maternal grandparents are  Caesar Lucius Lucius Julius II and  Cossutia.  He is an only child.

Marcus Antonius' family with Octavia daughter Gaius IV

Marcus Antonius and Octavia daughter are married (further details are not known). They have a daughter named Antonia Major.