2nd Lord Grey of Wilton. He was “age 40 and more at his father’s death.” On May 5, 1308, he had livery of his father’s lands. On April 7, 1310, he founded a collegiate church at Ruthin. He was at the battle of Bannockburn on June 24, 1314. On February 19, 1314/15, he was appointed justiciar of North Wales and keeper of the King’s castles and lands in those parts. He was summoned to Parliament from March 4, 1308/09, to September 18, 1322, as Johanni de Grey. He accompanied the King to France in June, 1320, and to Scotland in August, 1322.
He married, firstly, Anne de Ferrers, daughter of William de Ferrers and Joan le Despencer. He married, secondly, Maud Basset, daughter of Sir Ralph Basset and Margaret de Somery.4 He died on 28 October 1323.