Nielsen Hayden genealogy
Descendants of Bengt Folkason
Abt 1105 -Father: Folke (Abt 1075 - ??)
Mother: Ingegerd of Denmark (Between 1081 and 1085 - ??)
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)
           │ + Heinrich I of Werle (Abt 1235 - 8 Oct 1291)(m. 1262)
           ├─ Valdemar Birgersson, King of Sweden (1237 - 26 Dec 1302) =>
           │ + Sofia of Denmark, Queen Consort of Sweden (Abt 1241 - 1286)(m. 1260)
            + Siegfried I of Anhalt (Abt 1230 - Aft 25 Mar 1298)(m. Bef 17 Oct 1259)