Quintus was the son of Lucius Antonius but his mother is unknown. The date and place of his birth have not been found.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Antonius (?-?).
Note 1
one of the officers in the fleet under the praetor L. Aemilius Regillus, in the war with Antiochus the Great, BC 190