# | Children | Name | Born | Died | Father | Mother |
1 | | | b. 1237 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
2 | | | b. Jul 1238 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
3 | | | b. 1240 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
4 | | | b. 1242 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
5 | | | b. Jun 1245 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
6 | | | b. 1247 | d. 1270 | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
7 | | | b. Oct 1252 | d. 18 Jun 1282 | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |
8 | | | b. 1254 | d. Yes, date unknown | Earl of Leicester Earl of Leicester Simon de Montfort, V | Princess of England Princess of England Eleanor Plantagenet |