Nielsen Hayden genealogy
Ancestors of Magnus I of Brunswick
Abt 1304 - 1369 (~ 65 years) ┌── Otto I of Brunswick-Lüneburg (1204 - 19 Jun 1252) =>
┌── Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266)
│ └── Matilde von Brandenburg (Abt 1210 - 10 Jun 1261) =>
│
┌── 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 II (Abt 1202 - Between 12 Jun 1253 and 10 Dec 1256)(m. 9 Dec 1235) =>
│ └── Alessina de Monferrato ( - 5 Feb 1285)(m. 1 Nov 1266)
│ └── Margereta of Savoy ( - 1254)(m. 9 Dec 1235) =>
│
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)
│
│ ┌── Nikolaus I of Werle (Abt 1213 - 10 May 1277)(m. Oct 1231) =>
│ ┌── Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262)
│ │ └── Jutta von Anhalt ( - Aft 14 May 1277)(m. Oct 1231) =>
│ │
└── Richza of Werle ( - Aft 2 Oct 1312 bur.Göttingen, Lower Saxony, Germany)(m. 10 Jan 1284)
│
│ ┌── Birger Magnusson (Abt 1200 - 21 Oct 1266)(m. Abt 1235) =>
└── Richeza Birgersdotter ( - Bef 13 Dec 1288)(m. 1262)
└── Ingeborg Eriksdotter (Abt 1212 - 1254)(m. Abt 1235) =>