GREY DE WILTON and GREY DE RUTHYN. The first Baron Grey de Wilton was Reginald de Grey, who was summoned to parliament as a baron in 1295 and who died in 1308. Reginald's son John, the end baron (1268-13 23 ), was one of the lords or dainers in 131 o. The later barons Grey de Wilton were descended from John's eldest son Henry (d. I42), while a younger son Roger (d. 13 53) was the ancestor of the barons Grey de Ruthyn.