 Henry de Beaumont, 1st Earl of Warwick conquered Gŵyr c. 1100, styling himself Lord of Gower.Southern Gower was colonised, and eventually became heavily anglicised.Rhys Gryg – fourth son of Rhys ap Gruffydd (The Lord Rhys) – of Deheubarth occupied the peninsula in 1215, but in 1220 he ceded the area to the English, apparently on the orders of Llywelyn ap Iorwerth.