Roger FitzJohn (died 1248/1249) was an English feudal baron, Lord of Clavering, Warkworth and Horsford.
He was the son of John FitzRobert and Ada de Baillol.
He married Isabel de Dunbar, daughter of Patrick Dunbar, 6th Earl of Dunbar and Euphemia, and is known to have had the following issue:[1] This biography of a peer, peeress or noble of the United Kingdom, or one or more of its constituent countries, is a stub.
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