'Trumpington Church Cambridgeshire/ 2 window from E. South side chancel/ April 1850 CW/ Edmund Crouchback E of Lancaster, 2d son of Hen. 3. bore the device of a tricorporate lion on a seal attached to a deed dated 17 April 1273. He died 1296. See Sandford?s Geneal. Hist. p. 102?