Edmund Deincourt, 1st Baron Deincourt

Edmund married Isobel, daughter of Reynold de Mohun and Isobel Ferrers, and they had the following issues:

• John Deincourt, who died before his father and had issue.^[3]
• William Deincourt, died 23 June 1314, at the siege of Stirling.^[3]
• Margaret Deincourt, married Robert de Willoughby and had issue.^[4]

• Burke, John-Bernard (1846). A Genealogical and Heraldic Dictionary of the Peerages of England, Ireland and Scotland, Extinct, Dormant and in Abeyance. E. Ed. United Kingdom: Henry Colburn.
• Burke, Bernard (1883). A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire. United Kingdom: Harrison.
• Cokayne, George Edward. The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, Vol. III (1890).