Nielsen Hayden genealogy
Descendants of Magnus Minnesköld
Abt 1160 - 1208 (~ 48 years)Father: Bengt Folkason (Abt 1105 - ??)
Magnus Minnesköld (Abt 1160 - 31 Jan 1208 near Kungslena, Västergötland, Sweden)
Ingrid Ylva (Between 1175 and 1180 - 1251)
   └─ Birger Magnusson (Abt 1200 - 21 Oct 1266)
    Ingeborg Eriksdotter (Abt 1212 - 1254)(m. Abt 1235)
       ├─ Richeza Birgersdotter ( - Bef 13 Dec 1288)
       │ Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262)
       │    └─ Richza of Werle ( - Aft 2 Oct 1312 bur.Göttingen, Lower Saxony, Germany) =>
       │     + 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)
       ├─ Valdemar Birgersson, King of Sweden (1237 - 26 Dec 1302)
       │ Sofia of Denmark, Queen Consort of Sweden (Abt 1241 - 1286)(m. 1260)
       │     + Gerhard II of Holstein (Bef 1 Nov 1253 - 25 Oct 1312 bur.Hamburg Cathedral, Hamburg, Germany)
       │     (m. 12 Dec 1275 Lödöse, Sweden)
       │     (m. 12 Dec 1275 Lödöse, Sweden)
       └─ Katarina of Sweden (1245 - ??)
        Siegfried I of Anhalt (Abt 1230 - Aft 25 Mar 1298)(m. Bef 17 Oct 1259)
           └─ Albrecht I of Anhalt ( - Between 17 Aug 1316 and 2 Mar 1317) =>
            + Agnes of Brandenburg ( - 4 Jun 1330 bur.St. Nikolai, Zerbst, Saxony-Anhalt, Germany)(m. 1300)