Count of Hainaut Jean I d'Avesnes
1218 - 1257 (39 years)-
Name Jean I d'Avesnes [1, 2, 3, 4, 5, 6, 7] Title Count of Hainaut Birth 1 May 1218 Houffalize, Luxembourg, Belgium 
[1, 2, 4] Gender Male Reference Number 24-1021119-01 Death 24 Dec 1257 Valenciennes, Nord, Nord-Pas-de-Calais, France [1, 2, 4] Person ID I1946 MontyHistNotes_II Last Modified 19 Apr 2025
Father Lord of Avesnes Bouchard IV d'Avesnes, b. 1182, Oizy, Namur, Belgium d. 1244, Clairefontaine, Diekirch, Diekirch, Luxembourg (Age 62 years) Relationship natural Mother Countess of Hainaut Margaret II Hainaut, b. 2 Jun 1202, Valenciennes, Nord, Nord-Pas-de-Calais, France d. 10 Feb 1280, Valenciennes, Nord, Nord-Pas-de-Calais, France (Age 77 years) Relationship natural Marriage Bef 23 Jul 1212 [2, 3, 8] Divorce 1221 [2, 3, 8] - Absolution from Pope
Family ID F877 Group Sheet | Family Chart
Family Aleida Holland, b. 1226, Herven, S-Hertogenbosch, Noord-Brabant, Netherlands d. 9 Apr 1283, Valenciennes, Nord, Nord-Pas-de-Calais, France (Age 57 years) Marriage Sep 1246 Frankfort on the Main, Frankfurt am Main, Hessen, Germany [1, 4] Children > 1. Count of Hainaut Jean d'Avesnes, II, b. 1247, Leuven, Vlaams-Brabant, Belgium d. 22 Aug 1304, Valenciennes, Nord, Nord-Pas-de-Calais, France (Age 57 years) [Father: natural] [Mother: natural]Family ID F879 Group Sheet | Family Chart Last Modified 19 Apr 2025
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Event Map 
Birth - 1 May 1218 - Houffalize, Luxembourg, Belgium 
Marriage - Sep 1246 - Frankfort on the Main, Frankfurt am Main, Hessen, Germany 
Death - 24 Dec 1257 - Valenciennes, Nord, Nord-Pas-de-Calais, France = Link to Google Earth Pin Legend 
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Sources - [S308] Bio Info on d'Avesnes Jean I, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/John_I_of_Avesnes;), http://en.wikipedia.org/wiki/John_I_of_Avesnes.
http://en.wikipedia.org/wiki/John_I_of_Avesnes - [S689] Bio Info on d'Avesnes Bouchard IV, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/Bouchard_IV_of_Avesnes;).
http://en.wikipedia.org/wiki/Bouchard_IV_of_Avesnes - [S323] thePeerage.com, (Name: thePeerage.com;), d'Avesnes Bouchard IV #003644 http://thepeerage.com/p365.htm#i3644.
- [S323] thePeerage.com, (Name: thePeerage.com;), d'Avesnes Jean I #003595 http://thepeerage.com/p360.htm#i3595.
- [S323] thePeerage.com, (Name: thePeerage.com;), d'Avesnes Jean II #113667 http://thepeerage.com/p11367.htm#i113667.
- [S692] Bio Info on d'Avesnes Jean II, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/John_II,_Count_of_Hainaut;).
http://en.wikipedia.org/wiki/John_II,_Count_of_Hainaut - [S694] House of d'Avenes, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/House_of_Avesnes;).
http://en.wikipedia.org/wiki/House_of_Avesnes - [S329] Margaret II of Flanders, http://en.wikipedia.org/wiki/Margaret_II_of_Flanders.
- [S308] Bio Info on d'Avesnes Jean I, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/John_I_of_Avesnes;), http://en.wikipedia.org/wiki/John_I_of_Avesnes.