• General Notes

  Issue[edit]
  William Marshal, 2nd Earl of Pembroke (1190 – 6 April 1231). Chief Justiciar of Ireland. He married firstly, Alice de Bethune, and secondly, Eleanor Plantagenet, daughter of King John. He died childless.
  Richard Marshal, 3rd Earl of Pembroke (1191 – 1 April 1234 Kilkenny Castle, Ireland), married Gervase le Dinant. He died childless.
  Maud Marshal (1192 – 27 March 1248). She married firstly, Hugh Bigod, 3rd Earl of Norfolk, by whom she had issue; she married secondly, William de Warenne, 5th Earl of Surrey, by whom she had issue, including John de Warenne, 6th Earl of Surrey who married Alice le Brun de Lusignan; she married thirdly, Walter de Dunstanville. Five queen consorts of Henry VIII: Catherine of Aragon, Anne Boleyn, Jane Seymour, Catherine Howard and Catherine Parr were her descendants.
  Gilbert Marshal, 4th Earl of Pembroke (1194 – 27 June 1241). He married firstly, Marjorie of Scotland, daughter of King William I of Scotland; and secondly, Maud de Lanvaley. He died childless.
  Walter Marshal, 5th Earl of Pembroke (1196 – 24 November 1245). He married Margaret de Quincy, Countess of Lincoln, widow of John de Lacy, 1st Earl of Lincoln, as her second husband. The marriage was childless.
  Anselm Marshal, 6th Earl of Pembroke (1198 – 22 December 1245). He married Maud de Bohun. He died childless.
  Isabel Marshal (9 October 1200 – 17 January 1240). She married firstly, Gilbert de Clare, 5th Earl of Hertford; and secondly, Richard, 1st Earl of Cornwall. She had issue by both marriages. King Robert I of Scotland and Queen consorts Anne Boleyn, Jane Seymour, Catherine Howard and Catherine Parr were descendants.
  Sibyl Marshal (1201 – before 1238), married William de Ferrers, 5th Earl of Derby, by whom she had issue. Queen consort Catherine Parr was a descendant.
  Joan Marshal (1202–1234), married Warin de Munchensi, Lord of Swanscombe, by whom she had issue. Both queen consorts Jane Seymour and Catherine Parr were descendants.
  Eva Marshal (1203–1246), married William de Braose (died 1230). Queen consorts Anne Boleyn, Jane Seymour, Catherine Howard, and Catherine Parr were her descendants.

Details of Isabel's family with William Marshall (1st Earl of Pembroke)