The manor of Burnham was held by Aelward, a free man, in 1066, and by Ralph Baynard in demesne in 1086. It was assessed at 4 hides and 12 acres in 1066, but a further 8 hides and 28 acres, held by 10 free men in 1066, also belonged to Ralph’s demesne by 1086, giving him a demesne holding of 12⅓ hides. Ralph Baynard was succeeded by Robert, son of Richard fitzGilbert in the possession of this manor, and by 1285 it belonged to Robert fitzWalter. It remained in the fitzWalter family until the 15thc.