From A Wiki of Ice and Fire
|Book(s)||The World of Ice & Fire (appendix)|
Errold Stark was a member of House Stark. He was the fourth son of Lord Beron Stark and wife, Lady Lorra Royce. He had three older brothers (Donnor, Willam and Artos), two older sisters (Berena and Alysanne), and one younger brother (Rodrik).