Walter de la PoleSir Walter de la Pole, of Dernford in Sawston, Cambridgeshire, was an English politician.FamilyWalter was the son and heir of the MP Sir Edmund de la Pole and his second wife.CareerHe was a Member of the Parliament of England for Cambridgeshire in 1411, November 1414, 1417, May 1421, 1422, 1423 and 1427.