Jean I De Avesnes, [COUNT OF FLANDE

1218 - 1257  (39 years)

• Name	Jean I De Avesnes
  Suffix	[COUNT OF FLANDE
  Birth	Apr 1218	, Etroent, , LUXEMBOURG
  Gender	Male
  _UID	540AFB6B17255B4B8345FC1520E91035CDB7
  Death	24 Dec 1257	, Valenciennes, Nord, France
  Burial	, Valenciennes, Nord, France
  Person ID	I16219	Ken Tree
  Last Modified	3 Nov 2019

  
  

  Father	Bouchard D' Avesnes,   b. Abt 1182, Of Oizy, NAMUR, Belgium d. 1244 (Age 62 years)
  Mother	Marguerite Countess Of Flanders And Hai, AULT,   b. 2 Jun 1202, Of, HAINAULT, Belgium d. 10 Feb 1280, At Gand (Age 77 years)
  Marriage	Mar 1212
  Divorce	Yes, date unknown
  _UID	2563BB9B0F4EDC42BEBDF6BE4D24889A1B0D
  Family ID	F7618	Group Sheet  |  Family Chart

  
  

  Family 1
  _UID	8F6165D176EF9948812266636A30D2F23628
  Family ID	F10166	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

  Family 2	Aleida Countess Of Holland, [COUNTESS OF AVE,   b. Abt 1226, Of, 'S-Hertogenbosch, Noord-Brabant, Netherlands d. 9 Apr 1283, , Valenciennes, Nord, France (Age 57 years)
  Marriage	Sep 1246	, Frankfort Am Mai, Hessen-Nassau, Prussia
  _UID	ECD5E12A0A9DA8488EFE621D6A6CBDF7F896
  Children	1. Jean Ii De Avesnes, [COUNT OF HOLLAN,   b. Abt 1247, , Brabant, Brabant, Belgium d. 22 Aug 1304, , Valenciennes, Nord, France (Age 57 years)   2. Baudouin D' Avesnes,   b. Abt 1249, Of, Valenciennes, Nord, France d. Abt 1299 (Age 50 years)   3. Bouchard D' Avesnes, [BISHOP OF METZ],   b. 26 May 1251, Of, Valenciennes, Nord, France d. 29 Nov 1296 (Age 45 years)   4. Guy D' Avesnes, [BISHOP OF UTREC,   b. 1253, Of, Valenciennes, Nord, France d. 28 May 1317, Unmarried (Age 64 years)   5. Guillaume D' Avesnes, [BISHOP OF CAMBR,   b. 1254, Of, Valenciennes, Nord, France d. 1296 (Age 42 years)   6. Floris D' Avesnes, [PRINCE OF ACHAJ,   b. 1255, Of, Valenciennes, Nord, France d. 23 Jan 1297 (Age 42 years)   7. Jeanne D' Avesnes, [ABBESS OF FLINE,   b. Abt 1256, Of, Valenciennes, Nord, France d. 1304 (Age 48 years)
  Family ID	F6289	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

• Notes

  From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996.