However, following the emphatic Lancastrian defeat at the Battle of Towton, she and her second husband Richard Woodville sided closely with the House of York.
Jacquetta was the eldest daughter of Peter I of Luxembourg, Count of Saint-Pol, Conversano and Brienne, and his wife Margaret of Baux (Margherita del Balzo of Andria).
During the journey, Jacquetta and Richard fell in love and married in secret (before 23 March 1437), without seeking the king's permission.
[5] The marriage was long and very fruitful: Jacquetta and Richard had fourteen children, including the future Queen consort Elizabeth Woodville.
Margaret influenced Henry to create her husband Baron Rivers in 1448, and he was a prominent partisan of the House of Lancaster as the Wars of the Roses began.
The case fell apart when Warwick released Edward IV from custody, and Jacquetta was cleared by the king's great council of the charges on 21 January 1470.
[12] Jacquetta and Richard had: The Visitation of Buckinghamshire of 1566 mentions the marriage of William Dormer of Wycombe (only later of Ascott House) to "Agnes, da.
Jacquetta is a main character in Philippa Gregory's 2009 novel The White Queen, a fictionalized account of the life of her eldest daughter Elizabeth.
[15] Gregory's works explore the historical claim by Jacquetta's family that they were descended from the water deity Melusine.
In the 2013 BBC One/Starz television series adaptation The White Queen, Jacquetta is portrayed by actress Janet McTeer.