Probat, Probart, Proppert, Rotpert, Rotperd, Brobert, Bropert, Broppert, Probat and many more. First found in at Pant Glas near the village of Trelleck, county of Monmouthshire , where Thomas ap Robert (d. 1536), son of Robert ap Jenkins (d. 1509), gentleman usher of King Henry VII was found. Thomas' son Walter