Duc de Bretagne Jean I de Dreux
1217 - 1286 (69 years)-
Name Jean I de Dreux [1, 2, 3, 4] Title Duc de Bretagne Birth 1217 Rennes, Ille-et-Vilaine, Bretagne, France 
[3, 4] Gender Male Family Search ID GQLZ-7PK Burial 1286 Billiers, Morbihan, Bretagne, France [4] Death 8 Oct 1286 Férel, Morbihan, Bretagne, France [3, 4] Person ID I7688 Presidents and Royalty Last Modified 8 Jun 2025
Family Duchesse de Bretagne Blanca de Navarre, b. 1226, Pamplona, Navarra, Navarra, Spain d. 12 Aug 1283, Hédé, Ille-et-Vilaine, Bretagne, France (Age 57 years) Marriage 1236 Bretagne, France [2] Children > 1. 2nd Earl of Richmond Jean II de Dreux, b. 1239, Rennes, Ille-et-Vilaine, Bretagne, France d. 18 Nov 1305, Lyons, Rhône, Rhône-Alpes, France (Age 66 years) [Father: natural] [Mother: natural]2. Pierre de Bretagne, b. 2 Apr 1241, Lincolnshire, England d. 19 Oct 1268, Paris, Paris, Île-de-France, France (Age 27 years) [Father: natural] [Mother: natural]3. Alix de Bretagne, b. 6 Jun 1243, France d. 2 Aug 1288 (Age 45 years) [Father: natural] [Mother: natural]> 4. Thibaut de Bretagne, b. 23 Jul 1245, France d. 23 Oct 1246, France (Age 1 year) [Father: natural] [Mother: natural]> 5. Aliénor de Bretagne, b. 1248, France d. 1248, France (Age 0 years) [Father: natural] [Mother: natural]> 6. Nicolas de Bretagne, b. 8 Dec 1249, France d. 14 Aug 1251 (Age 1 year) [Father: natural] [Mother: natural]> 7. Robert de Bretagne, b. 6 Mar 1251, France d. 10 Feb 1258 (Age 6 years) [Father: natural] [Mother: natural]Family ID F5011 Group Sheet | Family Chart Last Modified 8 Jun 2025
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Event Map 
Birth - 1217 - Rennes, Ille-et-Vilaine, Bretagne, France 
Marriage - 1236 - Bretagne, France 
Burial - 1286 - Billiers, Morbihan, Bretagne, France 
Death - 8 Oct 1286 - Férel, Morbihan, Bretagne, France = Link to Google Earth Pin Legend 
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Sources - [S724] thePeerage.com, (Name: thePeerage.com; Location: http://thepeerage.com;), Plantagenet Beatrice #101926 http://thepeerage.com/p10193.htm#i101926.
- [S892] Biographical Information from Wikipedia, (Name: Wikipedia; Location: en.wikipedia.org;), de Navarre de Dreux, Blanca (1226-1283) Accessed KRM 12 Mar 2020 7:10am https://en.wikipedia.org/wiki/Blanche_of_Navarre,_Duchess_of_Brittany.
https://en.wikipedia.org/wiki/Blanche_of_Navarre,_Duchess_of_Brittany - [S682] Ancestry.com, Web: Netherlands, GenealogieOnline Trees Index, 1000-2015, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;).
Record for Blanche De Navarre Dechampagne
https://search.ancestry.com/cgi-bin/sse.dll?db=9289&h=14160806&indiv=try - [S188] Ancestry.com, International, Find A Grave Index for Select Locations, 1300s-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
Record for Blanche de Navarre
https://search.ancestry.com/cgi-bin/sse.dll?db=60541&h=2784217&indiv=try
https://search.ancestry.com/cgi-bin/sse.dll?db=60541&h=2784217&indiv=try
- [S724] thePeerage.com, (Name: thePeerage.com; Location: http://thepeerage.com;), Plantagenet Beatrice #101926 http://thepeerage.com/p10193.htm#i101926.