 His father William (d. 1349) was the son of Reynold (d. 1346), son of William (d. c. 1342), son of William (d. 1302), son of Reynold (d. 1273).He was born on 1 September 1337 at Botelet near Herodsfoot, three miles northeast of Lanreath, Cornwall.Botelet is 20 miles south of the family's ancient seat of Boscastle on the north Cornish coast.