Nielsen Hayden genealogy
Ancestors of Jean I of Ponthieu
Abt 1140 - 1191 (~ 51 years) ┌── Roger de Montgomery (of St. Germain de Montgommeri, Calvados, Normandy, France -
│ ??) =>
│ ??) =>
┌── Roger de Montgomery (of St. Germain de Montgommeri, Calvados, Normandy, France -
│ 27 Jul 1094 Shrewsbury Abbey, Shropshire, England)(m. Abt 1050)
│ 27 Jul 1094 Shrewsbury Abbey, Shropshire, England)(m. Abt 1050)
│ └── Emma ( - Aft 1067)
│
┌── Robert II de Bellême (1057 Sées, Orne, Normandy, France - Aft 1129)(m. Bef 9 Sep 1087)
│ │
│ │ ┌── William I Talvas ( - Between 1060 and 1062) =>
│ └── Mabel de Bellême ( - Dec 1077 Bures-sur-Dives, Normandy, France)(m. Abt 1050)
│
┌── Guillaume III Talvas (Abt 1093 of Alençon, Orne, Basse-Normandie, France - 30 Jun 1171)
│ (m. Abt 1115)
│ │
│ │ ┌── Hugh II of Ponthieu ( - Between 1043 and 1048) =>
│ │ ┌── Guy I ( - 13 Oct 1100 bur.St-Pierre, Abbeville, Somme, Picardy, France)
│ │ │ └── Bertha of Aumale =>
│ │ │
│ └── Agnes de Ponthieu ( - Aft 1100)(m. Bef 9 Sep 1087)
│ └── Ada
│
┌── Guy II of Ponthieu ( - 1147)(m. Bef 18 Dec 1139)
│ │
│ │ ┌── Henry I of Burgundy ( - 27 Jan 1074)
│ │ │ └── Helie of Semur (Abt 1015 - Aft 1055 Priory of the Holy Trinity of Marcigny-lès-
│ │ │ Nonnains, Burgundy, France)(m. Abt 1033) =>
│ │ │ Nonnains, Burgundy, France)(m. Abt 1033) =>
│ │ │
│ │ ┌── Odo I of Burgundy (Abt 1060 - 23 Mar 1103 Cilicia, Anatolia)(m. 1080)
│ │ │ └── (Unknown wife of Henry I of Burgundy) ( - Aft 5 Jul 1074 bur.Besançon, France)
│ │ │
│ └── Helie of Burgundy (Abt 1080 Dijon, Côte-d'Or, Burgundy, France - 28 Feb 1142)(m. Abt 1115)
│ │
│ │ ┌── William I "The Great" of Burgundy ( - 12 Nov 1087)(m. Between 1049 and 1057)
│ │ │ └── Adélaïde of Normandy ( - Aft 1074)(m. Bef 2 Nov 1023) =>
│ │ │
│ └── Sibylla of Burgundy (1065 - 1101)(m. 1080)
│ └── Stephanie ( - Aft 1092)(m. Between 1049 and 1057)
│
Jean I of Ponthieu (Abt 1140 - 30 Jun 1191 Acre, Palestine)
└── Ida (m. Bef 18 Dec 1139)