Mortimer repairs and Glyndŵr's revolt

Denbigh's post-1294 history shows how a fortified lordship could move through dynastic politics while remaining a regional military asset. Henry de Lacy's daughter Alice inherited after his son's death and brought the property into the orbit of Thomas of Lancaster, whose execution for treason began another period of unstable ownership. The lordship passed through figures including Hugh Despenser and Roger Mortimer before the Mortimer family recovered it in 1355 and spent decades maintaining its fabric. Owain Glyndŵr raided the town in 1400 but did not take the castle, while the young Edmund Mortimer was too young to lead its defense. Henry IV placed Henry Percy in charge. Percy later joined the rebels, but Denbigh remained in royal hands until the rebellion ended in 1407.