Louis IX of France child Agnes of France, Duchess of Burgundy
Children
Blanche (12 July/4 December 1240 – 29 April 1244), died in infancy.
Isabella (2 March 1241 – 28 January 1271), married Theobald II of Navarre.
Louis (23 September 1243/24 February 1244 – 11 January/2 February 1260). Betrothed to Berengaria of Castile in Paris on 20 August 1255.
Philip III (1 May 1245 – 5 October 1285), married firstly to Isabella of Aragon in 1262 and secondly to Maria of Brabant in 1274.
John (1246/1247 – 10 March 1248), died in infancy.
John Tristan (8 April 1250 – 3 August 1270), Count of Valois, married Yolande II, Countess of Nevers.
Peter (1251 – 6/7 April 1284), Count of Perche and Alençon, married Joanne of Châtillon.
Blanche (early 1253 – 17 June 1320), married Ferdinand de la Cerda, Infante of Castile.
Margaret (early 1255 – July 1271), married John I, Duke of Brabant.
Robert (1256 – 7 February 1317), Count of Clermont, married Beatrice of Burgundy. The French crown devolved upon his male-line descendant, Henry IV (the first Bourbon king), when the legitimate male line of Philip III died out in 1589.
Agnes (1260 – 19/20 December 1327), married Robert II, Duke of Burgundy.Louis and Margaret's two children who died in infancy were first buried at the Cistercian abbey of Royaumont. In 1820 they were transferred and reinterred to Saint-Denis Basilica.
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