↑ Sir John, in Archaeologia Cambrensis - Third Series No. XXV January 1861 p 16.
... Sir John left Sir John [St. John], who married Margaret daughter of Morgan ap Jenkyn ap Philip, and had : 1, Sir John : 2, Sir Oliver, of Shernbrook, Beds : 3, Alexander : and five daughters, of whom the fourth, Margaret, married Sir Rowland Gamage of Coyty. ...