Lady Catherine FitzAlan

• John de Grey, 1st Baron Grey de Rotherfield From Wikipedia, the free encyclopedia

He married firstly, shortly before 1313,[1] Katherine Fitzalan, daughter and coheir of Bryan FitzAlan, Lord FitzAlan of Bedale, Yorkshire. He married secondly Avice, daughter of John, 2nd Lord Marmion, a descendant of John of England.[3] [1] by whom he had a son, Sir Robert de Grey.

Sources

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Henry Summerson, ‘Grey, John, first Lord Grey of Rotherfield (1300–1359)’, Oxford Dictionary of National Biography, Oxford University Press, September 2004; online edn, January 2008. doi:10.1093/ref:odnb/11544

Burke, Sir Bernard. A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire.

Richardson, D. (2011) Plantagenet Ancestry: A Study ... pg 642 (via Google)

Nicolas, Nicholas Harris (1857). Historic Peerage of England. London: John Murray.

Calendar of Inquisitions Post Mortem, XI, London: HMSO, 1935

First wife of Sir John de Grey of Rotherfield, son of John de Grey and Margaret de Oddingseles. They were married before 01 March 1312, and had one son, Sir John.