# | Children | Name | Born | Died | Father | Mother | ||
---|---|---|---|---|---|---|---|---|
1 |
| b. 1185 | d. 1189 | Geoffrey (Archbishop of York) Plantagenet | Constance of Brittany Penthievre | |||
2 |
| b. 29 Mar 1187 | d. 1203 | Geoffrey (Archbishop of York) Plantagenet | Constance of Brittany Penthievre | |||
3 |
| Geoffrey (Archbishop of York) Plantagenet | Constance of Brittany Penthievre | |||||
4 |
| d. 10 Aug 1241 | Geoffrey (Archbishop of York) Plantagenet | Constance of Brittany Penthievre | ||||
5 |
| b. 1201 | d. 1240 or Sept 16 1254 | Guy Baillistre de Thouars Duke de Bretagne | Constance of Brittany Penthievre | |||
6 |
| b. 1201 | d. 21 Oct 1221 or Nov 21 1221 | Guy Baillistre de Thouars Duke de Bretagne | Constance of Brittany Penthievre |