Nielsen Hayden genealogy
Descendants of Mechtild von Mecklenburg
- 1270Father: Heinrich Burwin II (Abt 1170 - 5 Dec 1226)
Mother: Kristina ( - Aft 20 May 1248)
Mechtild von Mecklenburg ( - 23 Nov 1270)
Sambor II of Eastern Pomerania (Between 1206 and 1207 - 1278)(m. 1229)
   └─ Margarete Tczewsko-Lubiszewska (Between 1230 and 1234 - Dec 1282 Rostock, Mecklenburg-Vorpommern, Germany)
    Christoffer I, King of Denmark (1219 - 29 May 1259 Ribe, Jutland, Denmark)
    (m. 1248 Fehmarn, Ostholstein, Germany)
    (m. 1248 Fehmarn, Ostholstein, Germany)
       └─ Eric V Klipping, King of Denmark (1249 Lolland, Denmark - 22 Nov 1286 Finderup, Viborg, Denmark)
        Agnes of Brandenburg (Between 1256 and 1261 - Oct 1304 bur.Ringsted, Denmark)(m. 11 Nov 1273)
           └─ Richza of Denmark ( - Between 12 Mar 1303 and 27 Oct 1308) =>
            + Nikolaus II of Werle (Abt 1265 - 12 Oct 1316)(m. Bef 1301)