[1] Antyllus was the eldest child of Mark Antony by his third wife, Fulvia, who was a great-great granddaughter of Scipio Africanus.

[2] His father remarried to Octavia Minor, the second elder sister to Octavian (future Roman Emperor Caesar Augustus) who was a member of the Second Triumvirate.

From Plutarch's account of Antony, clause 28, the historian gives a story of the character of Antyllus: For they had an association called The Inimitable Livers, and every day they feasted one another, making their expenditures of incredible profusion.

Accordingly, he was introduced into the kitchen, and when he saw all the other provisions in great abundance, and eight wild boars a-roasting, he expressed his amazement at what must be the number of guests.

The fellow was confounded and put to silence, whereat Antony's son was delighted and said with a laugh: "All this I bestow upon thee, Philotas," pointing to a table covered with a great many large beakers.

However, take my advice and exchange them all with us for money; since perchance the boy's father might miss some of the vessels, which are of ancient workmanship and highly valued for their art."

Pleading in vain for mercy from Octavian, Antyllus was dragged from the image of the now deified Julius Caesar by Roman soldiers.

His remaining siblings (Iullus Antonius, Alexander Helios, Cleopatra Selene II, and Ptolemy Philadelphus) were spared by Octavian and were raised by Octavia Minor (Antony's fourth wife), in Rome.