 He found a loyal ally in Ranulph, Earl of Chester, whose nephew and heir, John the Scot, married Llywelyn's daughter Elen in about 1222.Following Reginald de Braose's death in 1228, Llywelyn also made an alliance with the powerful Mortimer family of Wigmore when Gwladus Ddu married as her second husband Ralph de Mortimer.Llywelyn was careful not to provoke unnecessary hostilities with the crown or the Marcher lords; for example in 1220, he compelled Rhys Gryg to return four commotes in South Wales to their previous Anglo-Norman owners.