Pierre Mauclerc de DREUX, Duke of Brittany

Abt 1187 - 1250  (63 years)

• Name	Pierre Mauclerc de DREUX
  Suffix	Duke of Brittany
  Birth	Abt 1187	Braine, Aisne, Picardy, France
  Gender	Male
  Death	26 May 1250
  Person ID	I23097	Coombs
  Last Modified	11 Jun 2023

  
  

  Father	Robert II de DREUX, Comte de Braine et de Dreux,   b. Abt 1154, Braine, Aisne, Picardy, France d. 28 Dec 1218, Dreux, Eure-Et-Loire, France (Age 64 years)
  Mother	Yolande de COUCY,   b. Abt 1164, Coucy, Aisne, Picardy, France d. 8 Mar 1222, Braine, Aisne, Picardy, France (Age 58 years)
  Family ID	F8127	Group Sheet  |  Family Chart

  
  

  Family	Alice de THOUARS,   b. 1201, Thouars, Poitou-Charentes, France d. 1221 (Age 20 years)
  Children	1. Yolande de DREUX, of Bretagne,   b. Abt 1218, Bretagne, Normandy, France d. 1272 (Age 54 years)   2. John de DREUX, Duke of Brittany,   b. Abt 1220, Bretagne, Normandy, France d. 1286 (Age 66 years)
  Family ID	F8527	Group Sheet  |  Family Chart
  Last Modified	2 Feb 2026