Jean I De AVESNES, COUNT OF FLANDERS & HAINAULT^{[1, 2]}

1218 - 1257  (39 years)

• Name	Jean I De AVESNES
  Suffix	COUNT OF FLANDERS & HAINAULT
  Birth	Apr 1218	, Houffalize, Luxembourg, Belgium
  Gender	Male
  Death	24 Dec 1257	, Valenciennes, Nord, France
  Burial	, Valenciennes, Nord, France
  Person ID	I10792	Coombs
  Last Modified	22 Jan 2013

  
  

  Father	Bouchard de AVESNES,   b. Abt 1182, Of, Oizy, Namur, Belgium d. 1244 (Age 62 years)
  Mother	Marguerite Countess Of FLANDERS & HAINAULT,   b. 2 Jun 1202, Of, Valenciennes, Nord, France d. 10 Feb 1280 (Age 77 years)
  Marriage	Mar 1212
  Family ID	F4120	Group Sheet  |  Family Chart

  
  

  Family 1	Aleida Countess Of HOLLAND, COUNTESS OF AVESNES,   b. Abt 1226, Of, 'S-Hertogenbosch, Noord-Brabant, Netherlands d. 8 Mar 1283 OR 16 Apr 1283, , Valenciennes, Nord, France (Age 57 years)
  Marriage	Sep 1246	, Frankfort Am Main, Hessen-Nassau, Prussia
  Children	1. Jean II de AVESNES, COUNT OF HOLLAND & HAINAULT,   b. Abt 1247, , Brabant, Brabant, Belgium d. 22 Aug 1304, , Valenciennes, Nord, France (Age 57 years)   2. Baudouin de AVESNES,   b. Abt 1249, Of, Valenciennes, Nord, France d. Abt 1299 (Age 50 years)   3. Bouchard de AVESNES, BISHOP OF METZ,   b. 26 May 1251, Of, Valenciennes, Nord, France d. 29 Nov 1296 (Age 45 years)   4. Guy de AVESNES, BISHOP OF UTRECHT,   b. Abt 1253, Of, Valenciennes, Nord, France d. 28 May 1317, , Utrecht, Utrecht, Netherlands (Age 64 years)   5. Guillaume de AVESNES, BISHOP OF CAMBRAI,   b. 1254, Of, Valenciennes, Nord, France d. 1296 (Age 42 years)   6. Floris de AVESNES, PRINCE OF ACHAJA,   b. 1255, Of, Valenciennes, Nord, France d. 23 Jan 1297 (Age 42 years)   7. Jeanne de AVESNES, ABBESS OF FLINES,   b. Abt 1256, Of, Valenciennes, Nord, France d. 1304 (Age 48 years)
  Family ID	F4141	Group Sheet  |  Family Chart
  Last Modified	2 Feb 2026

  
  

  Family 2
  Family ID	F4142	Group Sheet  |  Family Chart
  Last Modified	2 Feb 2026

  
  

• Sources

  [S2] Ancestral File (TM). [S1] Ancestral File (TM).