Nielsen Hayden genealogy
Family: Guy III de Châtillon / Marie of Brittany (F13087)
m. 22 Jul 1292-
Father | Male
Guy III de Châtillon
Born 1265 Died 6 Apr 1317 Buried Abbey of Cercamp, Artois, France 
Married 22 Jul 1292 [1, 2] Father Guy II de Châtillon | F17125 Group Sheet Mother Mahaut of Brabant | F17125 Group Sheet
Mother | Female
Marie of Brittany
Born 1268 Died 5 Mar 1339 Buried Abbey of Cercamp, Artois, France Father Jean II | F14698 Group Sheet Mother Beatrice of England | F14698 Group Sheet
Child 1 | Male
+ Jean de Châtillon
Born Died Bef 1344 Buried Spouse Jeanne de Fiennes | F13189 Married Dec 1329
Child 2 | Female
+ Mahaut de Châtillon-sur-Marne
Born 1293 Died 3 Oct 1358 Buried Cordeliers de Paris, France Spouse Charles of France | F13067 Married Jun 1308 Poitiers, Vienne, Poitou-Charentes, France
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Sources - [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.
- [S49] Genealogics, by Leo Van de Pas.
- [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.