Nielsen Hayden genealogy
Family: Baldwin V of Flanders / Marguerite of Lorraine (F137)
m. Apr 1169-
Male
Baldwin V of Flanders
Birth 1150 Death 17 Dec 1195 Burial Marriage Apr 1169 [1] Father Baldwin IV of Hainaut | F777 Group Sheet Mother Alix de Namur | F777 Group Sheet
Female
Marguerite of Lorraine
Birth Between 1140 and 1145 Death 12 Nov 1194 Burial Father Thierri III of Lorraine | F909 Group Sheet Mother Sibyl of Anjou | F909 Group Sheet
Female
+ Isabella of Flanders, Queen Consort of France
Birth 23 Apr 1170 Valenciennes, Nord-Pas-de-Calais, France 
Death 15 Mar 1190 Paris, France Burial Cathedral of Notre Dame, Paris, France Spouse Philippe II Augustus, King of France | F3300 Marriage 28 Apr 1180 Abbey of Saint-Trinité, Bapaume, Pas-de-Calais, France
Male
+ Baldwin I of Flanders, Latin Emperor of Constantinople
Birth Jul 1171 Death 11 Jul 1205 Burial Spouse Marie of Champagne | F12992 Marriage 6 Jan 1186
Female
+ Yolanda of Flanders
Birth Abt 1175 Death Aug 1219 Burial Spouse Peter II of Courtenay, Emperor of Constantinople | F12776 Marriage Jun 1193
Female
+ Sybille de Hainaut
Birth 1179 Death 1217 Burial Spouse Guichard IV de Beaujeu | F5547 Marriage 1196
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.