Marcellus, Marcus, son of Octavia, the sister of Augustus, who had named him his heir; his decease at 20 was mourned as a public calamity, and inspired Virgil to pen his well-known lament over his death in the sixth book of the “Æneid.”
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Marcellus, Claudius * Marcet, Mrs. Jane