His paternal grandfather and his father both served in the Air Force.
And “Visiting”—about a father-son road trip to Narragansett, R.I.—is a prickly minuet of paternal longing.
His paternal grandmother, an aristocrat, fled Russia at the time of the revolution.
paternal pa·ter·nal (pə-tûr'nəl)
Relating to or characteristic of a father or fatherhood.
Received or inherited from a father.
Related through one's father.