_William de FERRERS* ________________
                                                                              _William de FERRERS* _|_Anne le DESPENSER* _________________
                                             _Henry de FERRERS* _____________|
                                            |                                |                       _John de SEGRAVE* ___________________
                                            |                                |_Ellen de SEGRAVE* ___|_Christiane de PLESSIS* _____________
                      _William de FERRERS* _|
                     |                      |                                                        _Theobald de VERDON* 1st Lord Verdon_
                     |                      |                                 _Theobald de VERDON* _|_Margery\Eleanor* ___________________
                     |                      |_Isabel de VERDUN* _____________|
                     |                                                       |                       _Gilbert de CLARE E of Gloucester____
                     |                                                       |_Elizabeth de CLARE* _|_Joan "of Acre" of England___________
 _Henry de FERRERS* _|
|                    |                                                                               _____________________________________
|                    |                                                        ______________________|_____________________________________
|                    |                       _Robert de UFFORD* E of Suffolk_|
|                    |                      |                                |                       _____________________________________
|                    |                      |                                |______________________|_____________________________________
|                    |_Margaret de UFFORD* _|
|                                           |                                                        _____________________________________
|                                           |                                 _Walter de NORWICH* __|_____________________________________
|                                           |_Margaret de NORWICH* __________|
|                                                                            |                       _____________________________________
|                                                                            |______________________|_____________________________________
|
|--William de FERRERS* 
|
|                                                                                                    _____________________________________
|                                                                             ______________________|_____________________________________
|                                            ________________________________|
|                                           |                                |                       _____________________________________
|                                           |                                |______________________|_____________________________________
|                     ______________________|
|                    |                      |                                                        _____________________________________
|                    |                      |                                 ______________________|_____________________________________
|                    |                      |________________________________|
|                    |                                                       |                       _____________________________________
|                    |                                                       |______________________|_____________________________________
|_Joan* _____________|
                     |                                                                               _____________________________________
                     |                                                        ______________________|_____________________________________
                     |                       ________________________________|
                     |                      |                                |                       _____________________________________
                     |                      |                                |______________________|_____________________________________
                     |______________________|
                                            |                                                        _____________________________________
                                            |                                 ______________________|_____________________________________
                                            |________________________________|
                                                                             |                       _____________________________________
                                                                             |______________________|_____________________________________

Marie Countess of Ponthieu

• Death: 1250

• Reference: 1587

• Marriage: 1208/1211, Aumale, France

1. Joanna de Dammartin
2. Philippe* de Dammartin

                                                                                                                                        _Robert de BELLEME E of Arundel_________
                                                                                                          _William III C of Alcenon____|_Agnes of Ponthieu______________________
                                                         _Guy II C of Ponthieu___________________________|
                                                        |                                                |                              _Eudes I Borel "the Red" D of Burgundy__
                                                        |                                                |_Alix \ Ela of Burgundy______|_Mahaud\ Sybylle of Burgundy____________
                             _Jean I C of Ponthieu______|
                            |                           |                                                                               ________________________________________
                            |                           |                                                 _____________________________|________________________________________
                            |                           |_Ida ___________________________________________|
                            |                                                                            |                              ________________________________________
                            |                                                                            |_____________________________|________________________________________
 _William III C of Ponthieu_|
|                           |                                                                                                           _Hugh II C of St. Pol___________________
|                           |                                                                             _Hugh III C of St. Pol_______|_Elisenda ______________________________
|                           |                            _Anselme Candavaine C of St. Pol________________|
|                           |                           |                                                |                              ________________________________________
|                           |                           |                                                |_UNKNOWN ____________________|________________________________________
|                           |_Beatrice de St. Pol_______|
|                                                       |                                                                               _Stephen K of England___________________
|                                                       |                                                 _Eustace IV C of Boulogne____|_Matilda of Boulogne____________________
|                                                       |_Eustachie de Champagne_________________________|
|                                                                                                        |                              ________________________________________
|                                                                                                        |_UNKNOWN (mistress)__________|________________________________________
|
|--Marie Countess of Ponthieu
|
|                                                                                                                                       _Henry I K of France____________________
|                                                                                                         _Philip I K of France________|_Anne of Kiev __________________________
|                                                        _Louis VI "the fat" K of France_________________|
|                                                       |                                                |                              _Florent I C of Holland_________________
|                                                       |                                                |_Bertha of Holland___________|_Gertrude of Saxony_____________________
|                            _Louis VII K of France_____|
|                           |                           |                                                                               _Amadeus II C of Savoy & Susa___________
|                           |                           |                                                 _Humbert II C of Savoy_______|_Johanna de Geneva______________________
|                           |                           |_Adelaide of Savoy______________________________|
|                           |                                                                            |                              _William I C of Burgundy &Macon_________
|                           |                                                                            |_Gislea of Burgundy__________|_Stephanie de Longwy____________________
|_Alix of France____________|
                            |                                                                                                           _Theobald III C of Blois________________
                            |                                                                             _Stephen Henry C of Blois____|_Alix of Crepi__________________________
                            |                            _Theobald IV "the Great" C of Blois & Champagne_|
                            |                           |                                                |                              _William I "The Conquerer" K of England_
                            |                           |                                                |_Adela of Normandy___________|_Matilda of Flanders____________________
                            |_Adele (Alix) of Champagne_|
                                                        |                                                                               _Engelbert I C of Ortenburg & Lavant____
                                                        |                                                 _Engelbert II D of Carinthia_|_Hedwig of Carinthia____________________
                                                        |_Mathilde of Carinthia__________________________|
                                                                                                         |                              _Ulrich C of Passau_____________________
                                                                                                         |_Uta of Passau_______________|________________________________________

Notes

Cockayne's "Complete Peerage" (EU, p.167).

Per Stuart's "Royalty For Commoners" (82:26), heiress of Ponthieu &

Montreul. She m. (2) Matthew de Montgomery, Seigneur de Montmorency.