*John Plantagenet (de Warenne)
born August 1231 Warren, Sussex, England
died 27 September 1305 Surrey, England

*William Plantagenet (De Warenne)
born 1166 Surrey, England
died 27 May 1240 Surry, England
buried Lewes, Sussex, England

*Maud (Matilda) Marshall
born Abt 1192 Of, Pembroke, Pembrokeshire, Wales
christened: Sep 1201 died 27 Mar 1248
buried Tintern Abbey, Chapel Hill, Monmouthshire, England

Isabel Plantagenet Warren born 1229 Warren, Sussex, England
Margaret Warren born 1227 Of Pembroke, Pembroke, Wales

*Alice Lusignan (de Brienne)
born about 1224 Lusignan, Vienne, France
died 9 February 1291 Warren, Sussex, England
married 1247 Woodstock, Kent, England

*William de Warenne born about 1260 Warren, Sussex, England
died 15 December 1286 Croydon, Surrey, England
buried High Altar of Lewes, Reigste, Sussex, England
*Eleanor Plantagenet (de Warenne) born after 1244 Surrey, England
died after 1282 buried Sallay Abbey, Craven, Yorkshire, England

biographical and/or anecdotal:

notes or source: