Nevill was the eldest son of William Nevill, 1st Marquess of Abergavenny, by Caroline Vanden-Bempde-Johnstone, daughter of Sir John Vanden-Bempde-Johnstone, 2nd Baronet.
Nevill was the eldest son of William Nevill, 1st Marquess of Abergavenny, by Caroline Vanden-Bempde-Johnstone, daughter of Sir John Vanden-Bempde-Johnstone, 2nd Baronet.