Nielsen Hayden genealogy
Ancestors of Magnus I of Brunswick
Abt 1304 - 1369 (~ 65 years) ┌── Heinrich of Saxony (1129 - 6 Aug 1195 Braunschweig, Lower Saxony, Germany)
│ (m. Between 1167 and 1168) =>
┌── Wilhelm of Brunswick-Lüneburg (11 Apr 1184 Winchester, Hampshire, England -
│ 13 Dec 1213 Lüneburg, Lower Saxony, Germany)(m. Jul 1202 Hamburg, Germany)
│ 13 Dec 1213 Lüneburg, Lower Saxony, Germany)(m. Jul 1202 Hamburg, Germany)
│ └── Matilda of England (1156 London, England - 13 Jul 1189)
│ (m. Between 1167 and 1168) =>
│
┌── Otto I of Brunswick-Lüneburg (1204 - 19 Jun 1252)
│ │
│ │ ┌── Valdemar I den Store, King of Denmark (14 Jan 1131 -
│ │ │ 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157) =>
│ │ │ 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157) =>
│ └── Helene of Denmark (Abt 1180 - 22 Nov 1233)(m. Jul 1202 Hamburg, Germany)
│ └── Sofie of Polotsk (Abt 1141 - 5 May 1198)(m. Abt Sep 1157) =>
│
┌── Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266)
│ │
│ │ ┌── Otto I of Brandenburg (Abt 21 Jun 1126 - 7 Mar 1184) =>
│ │ ┌── Albrecht II of Brandenburg (Abt 1177 - 25 Feb 1220)(m. Aug 1205)
│ │ │ └── Adelheid
│ │ │
│ └── Matilde von Brandenburg (Abt 1210 - 10 Jun 1261)
│ │
│ │ ┌── Konrad von Nieder-Lausitz (Abt 1156 - 6 May 1210)(m. Aft 29 Jan 1180) =>
│ └── Mathilde von Nieder-Lausitz ( - 1255)(m. Aug 1205)
│ └── Elisabeth of Poland ( - 2 Apr 1209)(m. Aft 29 Jan 1180) =>
│
┌── Albrecht II of Brunswick (Abt 1268 -
│ 22 Sep 1318 bur.Brunswick Cathedral, Braunschweig, Lower Saxony, Germany)(m. 10 Jan 1284)
│ 22 Sep 1318 bur.Brunswick Cathedral, Braunschweig, Lower Saxony, Germany)(m. 10 Jan 1284)
│ │
│ │ ┌── Boniface I (Abt 1150 - Sep 1207)(m. Bef 1179) =>
│ │ ┌── Guillermo VIII-VI ( - 17 Sep 1225 Halmyros, Greece)(m. Bef 9 Aug 1202)
│ │ │ └── Elena di Busca (m. Bef 1179) =>
│ │ │
│ │ ┌── Boniface II (Abt 1202 - Between 12 Jun 1253 and 10 Dec 1256)(m. 9 Dec 1235)
│ │ │ │
│ │ │ │ ┌── Boniface del Vasto =>
│ │ │ └── Berta de Clavesena (m. Bef 9 Aug 1202)
│ │ │
│ └── Alessina de Monferrato ( - 5 Feb 1285)(m. 1 Nov 1266)
│ │
│ │ ┌── Tomaso I (20 Mar 1177 Charbonnieres Castle, Savoy - 20 Jan 1233 Aosta, Savoy)
│ │ │ (m. May 1195) =>
│ │ ┌── Amedee of Savoy (1197 - 24 Jun 1253 Montmelian, Savoie, Rhône-Alpes, France)(m. 1222)
│ │ │ └── Margaret of Geneva ( - 13 Apr 1236)(m. May 1195) =>
│ │ │
│ └── Margereta of Savoy ( - 1254)(m. 9 Dec 1235)
│ │
│ │ ┌── Hugh III of Burgundy (Abt 1148 - 25 Aug 1192 Tyre)
│ │ │ (m. 1 Sep 1183 Saint-Gilles, Languedoc, France) =>
│ └── Marguerite of Burgundy (1192 - 1242)(m. 1222)
│ └── Beatrice of Albon (1161 - 15 Dec 1228 Château de Vizille, Vizille, Isère,
│ France)(m. 1 Sep 1183 Saint-Gilles, Languedoc, France) =>
│ France)(m. 1 Sep 1183 Saint-Gilles, Languedoc, France) =>
│
Magnus I of Brunswick (Abt 1304 -
Between 15 Jun 1369 and 15 Aug 1369 bur.St. Michaelis, Lüneberg, Lower Saxony, Germany)
Between 15 Jun 1369 and 15 Aug 1369 bur.St. Michaelis, Lüneberg, Lower Saxony, Germany)
│
│ ┌── Heinrich Burwin I (Bef 1150 - 28 Jan 1227)(m. 1166) =>
│ ┌── Heinrich Burwin II (Abt 1170 - 5 Dec 1226)(m. Abt 1200)
│ │ └── Mechtild of Saxony (Abt 1150 - Bef 1219)(m. 1166) =>
│ │
│ ┌── Nikolaus I of Werle (Abt 1213 - 10 May 1277)(m. Oct 1231)
│ │ └── Kristina ( - Aft 20 May 1248)(m. Abt 1200)
│ │
│ ┌── Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262)
│ │ │
│ │ │ ┌── Bernhard III of Saxony (1140 - 9 Feb 1212) =>
│ │ │ ┌── Heinrich I von Anhalt (Abt 1170 - Between 1251 and 1252)(m. Abt 1211)
│ │ │ │ └── Judith of Poland (Abt 1152 - Aft 1201) =>
│ │ │ │
│ │ └── Jutta von Anhalt ( - Aft 14 May 1277)(m. Oct 1231)
│ │ │
│ │ │ ┌── Hermann I of Thuringia (Abt 1154 - 25 Apr 1217) =>
│ │ └── Irmgard von Thüringen (Abt 1197 - Abt 1244)(m. Abt 1211)
│ │ └── Sophie of Bavaria (Abt 1172 - 15 Jul 1238) =>
│ │
└── Richza of Werle ( - Aft 2 Oct 1312 bur.Göttingen, Lower Saxony, Germany)(m. 10 Jan 1284)
│
│ ┌── Bengt Folkason (Abt 1105 - ??) =>
│ ┌── Magnus Minnesköld (Abt 1160 - 31 Jan 1208 near Kungslena, Västergötland, Sweden)
│ ┌── Birger Magnusson (Abt 1200 - 21 Oct 1266)(m. Abt 1235)
│ │ └── Ingrid Ylva (Between 1175 and 1180 - 1251)
│ │
└── Richeza Birgersdotter ( - Bef 13 Dec 1288)(m. 1262)
│
│ ┌── Canute I Eriksson, King of Sweden ( - 1196) =>
│ ┌── Erik X Knutsson, King of Sweden (Abt 1180 - 10 Apr 1216)(m. 1210)
└── Ingeborg Eriksdotter (Abt 1212 - 1254)(m. Abt 1235)
│
│ ┌── Valdemar I den Store, King of Denmark (14 Jan 1131 -
│ │ 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157) =>
│ │ 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157) =>
└── Richiza of Denmark ( - 8 May 1220 bur.Ringsted, Zealand, Denmark)(m. 1210)
└── Sofie of Polotsk (Abt 1141 - 5 May 1198)(m. Abt Sep 1157) =>