| Pierre I "Mauclerc" de Braine Knt., D. of Brittany, E. of Richmond (1190 - 1250) |
Thebaud (or Thibault) of Navarre King of Navarre, Count Palatine etc. (1201 - 1253) |
| Alice de Thouars ( - 1221) |
Agnes de Beaujeu ( - 1231) |
| Jean I "le Roux" of Brittany Duke of Brittany, Earl of Richmond | Blanche of Navarre |
| b. 1217 d. 1286 bur. occ. cen. im. . ud. |
b. d. 1283 bur. occ. cen. im. . ud. |
| Jean of Brittany Knt., Duke of Brittany, Earl of Richmond |