_Hugh de MORTIMER Lord of Wigmore________________________
_Roger de MORTIMER Lord of Wigmore_____________|_Maud le Meschin_________________________________________
_Ralph de MORTIMER ___________________________________|
| | _Walkelin Seigneur de Ferrieres__________________________
| |_Isabel de FERRIERES __________________________|_________________________________________________________
_Roger de MORTIMER _____________________________|
| | _Iorwerth Drwyndwn ______________________________________
| | _Llywelyn Fawr Prince of Aberffraw_____________|_Marared of Powys________________________________________
| |_Gwladys Ddu of Wales_________________________________|
| | _________________________________________________________
| |_UNKNOWN* _____________________________________|_________________________________________________________
_Edmund MORTIMER _____|
| | _William de BRAOSE ______________________________________
| | _Reginald de BRAOSE ___________________________|_Maud de St. Valerie Lady of La Haie_____________________
| | _William de BRAOSE ___________________________________|
| | | | _William de BRIWERE _____________________________________
| | | |_Gracia de BRIWERE ____________________________|_Beatrice de VAUX _______________________________________
| |_Maud de BRAOSE ________________________________|
| | _John MARSHAL ___________________________________________
| | _William MARSHAL E of Pembroke_________________|_Sibilla of Salisbury____________________________________
| |_Eve MARSHAL _________________________________________|
| | _Richard "Strongbow" de CLARE E of Pembroke______________
| |_Isabella de CLARE ____________________________|_Eva MACMURROUGH of Leinster_____________________________
|
|--Roger de MORTIMER Earl of March
|
| _Enguerrand I Baron de Fiennes___________________________
| _William I de FIENNES Baron de Fiennes & Tingy_|_Sibyl de BOULOGNE ______________________________________
| _Enguerrand II FIENNES Baron de Fiennes & Tingy, K.B._|
| | | _Alberic II C of Dammartin_______________________________
| | |_Agnes de Dammartin____________________________|_Maud of Clermont________________________________________
| _William II de FIENNES Baron de Fiennes & Tingy_|
| | | _________________________________________________________
| | | _James Seigneur de Conde_______________________|_________________________________________________________
| | |_Isabel de Conde______________________________________|
| | | _________________________________________________________
| | |_______________________________________________|_________________________________________________________
|_Margaret de FIENNES _|
| _Erard II C of Brienne___________________________________
| _Jean de BRIENNE Emporer of Constantinople_____|_Agnes of Montfaucon_____________________________________
| _Jean de BRIENNE _____________________________________|
| | | _Alfonso IX K of Leon____________________________________
| | |_Berengaria of Leon____________________________|_Berengaria Queen of Castile_____________________________
|_Blanche de BRIENNE ____________________________|
| _Geoffrey Vicompte de Chateaudun_________________________
| _Geoffrey Vicompte de Chateaudun_______________|_Alice de Freteval_______________________________________
|_Jeanne de CHATEAUDUN ________________________________|
| _William des Roches Seneschal of Anjou, Maine & Touraine_
|_Clemence des Roches __________________________|_Marguarite of Sable_____________________________________
Cokayne's "Complete Peerage", article on MORTIMER. (Berkeley, p.130),
identifies him as the father of Margaret.
Cockayne's "Complete Peerage" (AUDLEY, p.339) identifies him as Joan's
father.