
Adelaide De Hollande, Countess Of Hainaut

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Name Adelaide De Hollande Title Countess Of Hainaut Birth 1230 Netherlands Christening Belgium Gender Female Death 9 Apr 1283 Nord-Pas-De-Calais, France Burial 9 Apr 1284 Nord-Pas-De-Calais, France Person ID I7691 footsteps | Ancestors, Beaufort, Charlamagne, Conqueor, Robert Capet II Last Modified 21 Apr 2025
Father Floris Holland, Count Of Holland , b. 24 Jun 1210, Netherlands d. 19 Jul 1234, Picardie, France
(Age 24 years)
Relationship natural Mother Mathilde Brabant, b. Abt 1190, France d. 21 Dec 1267, Netherlands
(Age 77 years)
Relationship natural Marriage 6 Dec 1214 Family ID F779 Group Sheet | Family Chart
Family Jean D'Avesnes, Comte De Hainaut , b. 1 May 1218, Belgium d. 24 Dec 1257, Nord-Pas-De-Calais, France
(Age 39 years)
Marriage 25 Oct 1246 Hesse-Nassau, Germany Children + 1. Jean D'Avesnes, Count Of Hainault , II, b. 11 Sep 1247, Nord-Pas-De-Calais, France d. 22 Aug 1304, Nord-Pas-De-Calais, France
(Age 56 years) [Father: natural] [Mother: natural]
Family ID F4561 Group Sheet | Family Chart Last Modified 21 Apr 2025
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Event Map Birth - 1230 - Netherlands Christening - - Belgium Marriage - 25 Oct 1246 - Hesse-Nassau, Germany Death - 9 Apr 1283 - Nord-Pas-De-Calais, France Burial - 9 Apr 1284 - Nord-Pas-De-Calais, France = Link to Google Earth
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Notes
On 9 October 1246, Adelaide married John I of Avesnes, Count of Hainaut . L i k e h e r mother, she was a patron of religious houses. Her religious i n t e r e st is reflected in that three of her sons became bishops, and her o n e d a u g hter became an abbess. She also insisted on a bilingual educatio n f o r t h e m.
Between 1258 and 1263, Adelaide was regent of Holland in the name of he r n e p h e w Floris V. She called herself Guardian of Holland and Zeeland ( Tu t r i x d e Hollandie et Zeelandie). After he came of age, she continued t o a d v i s e him. She died in 1284 at Valenciennes, but in 1299, with the d ea t h o f F l oris' son John I, it was her own son John II who inherited Ho l l a nd t h rough her.