Thereafter, they avoided his campaign of extermination against the Welsh Royal Houses and even exchanged their claims to royalty for an English Lordship at the Parliament of Shrewsbury in 1283.Ulwencreutz's The Royal Families in Europe V, page 51 They were displaced by the Lords of Mortimers in the early 14th century, until a momentary reascension of the House during the 15th century, following the Welsh Revolt led by the Prince of Wales, Owain Glyndŵr, against Prince Henry and King Henry IV of England, of the Royal House of Lancaster.
