Career
Career and He was summoned to Parliament for the Bedfordshire constituency on 8 July 1313 and again on 23 September 1313. The Inquisition post mortem held in 1353 found Sir David to have been in possession of the manor of Flitwick in Bedfordshire and another in 1355 determined he also held Brendhall manor in Harlow, Essex and Ringstead (Ringstone?) and Leasingham manors in Lincolnshire and parcels of land at Anwick, Haconby and Killingholme. Ringstone and Leasingham seem to have passed to the Marmion family.
Sir David was succeeded by;
Eleanor
Sir William Marmion, Knight Bachelor