In his book "The Mystery of Jack of Kent and the Fate of Owain Glyndŵr", Alex Gibbon argues that the folk hero Jack of Kent, also known as Siôn Cent – the family chaplain of the Scudamore family – was in fact Owain Glyndŵr himself. Gibbon points out a number of similarities between Siôn Cent and Glyndŵr (including physical appearance, The age, education, and character) and claims that Owain spent his last years living with his daughter Alys, passing himself off as an aging Franciscan friar and family tutor. There are many folk tales of Glyndŵr donning disguises to gain advantage over opponents during the rebellion.