Marcus was the son of unknown parents. The date and place of his birth have not been found.
His wife was Junia of Rome. They were married, but the date and place have not been found. Their two known children were Caius II Claudius Marcellus Minor (0088BC-0040BC) and Marcus Claudius Marcellus (?-?).
Note 1
a direct descendant of the consul Marcus Claudius Marcellus