Aveline de Fortibus
- 1273(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Aveline de Fortibus [1] d. Nov 1273
- + 1st Earl of Lancaster Edmund Crouchback Plantagenet b. 16 Jan 1245 d. 5 Jun 1296
- + 1st Earl of Lancaster Edmund Crouchback Plantagenet b. 16 Jan 1245 d. 5 Jun 1296