John Holland, 1st Duke of Exeter Kent by his wife Joan of Kent, "The Fair Maid of Kent", daughter of Edmund of Woodstock, 1st Earl of Kent, a son of King Edward I (1272–1307). The Earl of Kent was a title that was created multiple times, including once for Edmund of Woodstock and once for –Thomas– Holland. Joan later married her cousin Edward, the Black Prince, the eldest son and heir apparent of her first cousin King Edward III, by whom she had a son King Richard II, who was thus a half-brother of John Holland. Early in King Richard's reign, Holland was made a Knight
Edward the Black Prince Thomas Holland: Edward had several natural sons before his marriage. With Edith de Willesford (died after 1385): With unknown mothers: Edward is often referred to as the "Black Prince". The first known source to use the sobriquet "Black Prince" was the antiquary John Leland in the 1530s or early 1540s (about 165 years after the death of the Black Prince). Leland mentions the sobriquet in two manuscript notes in the 1530s or early 1540s, with the implication that it was by that date in relatively widespread use. In one place, Leland refers in Latin to ""Edwardi Principis cog: Nigri"" (i.e.,