Gwilym ap Tudur and Rhys ap Tudur were both military leaders of a contingent of soldiers raised in 1396 to protect North Wales against any invasion by the French.
Gwilym ap Tudur og Rhys ap Tudur var begge militære ledere for et kompagni soldater, der var blevet samlet i 1396 for at beskytte Nordwales mod enhver invasion, som Frankrig kunne finde på.