John Knyvett

From http://our-royal-titled-noble-and-commoner-ancestors.com/p1231.htm#...

Joan Stafford married Sir William Knyvett, Sheriff of Norfolk & Suffolk, Burgess of Melcombe, Bletchingley, & Grantham, Constable of Rising Castle, son of John Knyvet, Esq., Justice of the Peace for Cambridgeshire, Huntingdonshire, & Norfolk and Alice Lynne, before 1477; They had 3 sons (including Sir Edward; John; & Charles) and 2 daughters (Elizabeth, wife of Richard FitzWilliam, Esq; & Anne, wife of Charles Clifford, Esq.)

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not listed http://www.tudorplace.com.ar/KNYVETT.htm