Sir John Say, Kt. (d. 12 April 1478) of Baas (in Broxbourne), Little Berkhampstead, and Sawbridgeworth, Hertfordshire, and Lawford, Essex, was King's Serjeant, Coroner of the Marshalsea, Yeoman of The Chamber & Crown, Keeper of Westminster Palace, Squire of The Body, Keeper of the Great Wardrobe, Chancellor of the Duchy of Lancaster, Privy Councillor, Under-Treasurer of England, Knight of the Shire for counties Cambridge and Hertford, and Speaker of the House of Commons.

He married before 1449, Elizabeth, daughter of Laurence Cheyne of Fenn Ditton Manor, Cambridgeshire. She died 2 September 1473, and she and Say are buried together at Broxbourne, Hertfordshire. They left three sons and four daughters.

References

• "The Visitation of Suffolk 1561" part 1, made by William Hervey, Clarenceux King of Arms, and edited by Joan Corder,F.S.A., Harleian Society, London, 1981, p. 166.
• "The Magna Charta Sureties, 1215" by Frederick Lewis Weis, et al, 5th edition, Baltimore, 2002, p.47.
• "Plantagenet Ancestry" by Douglas Richardson, Baltimore, Md., 2004, pps: 207, and 381.

Chancellors of the Duchy of Lancaster