Ex Parte Paterna
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
On the father's side; of the paternal line. The phrases "ex parte materna" and "ex parte paterna" denote the line or blood of the mother or father, and have no such restricted or limited sense as from the mother or father exclusively.
Banta v. Demarest, 24 N. J. Law, 43L