Nero 's paternal grandparents were Nero Claudius Drusus ( Drusus the Elder ) and Antonia Minor , daughter of Mark Antony and Octavia Minor .
Head entity: mark antony Q51673 19 20
Tail entity: antonia minor Q229836 14 15
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40