Nielsen Hayden genealogy
Konstancja of Poland

( = Descendancy chart to this point,
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- 1 Konstancja of Poland [1] b. Between 1245 and 1246 d. 10 Oct 1281
Konrad I b. Between 1236 and 1245 d. Between 15 Mar 1304 and 21 May 1304
- 2 Agnes of Brandenburg [1.1]
d. 4 Jun 1330
Albrecht I of Anhalt d. Between 17 Aug 1316 and 2 Mar 1317
- 3 Mathilde of Anhalt [1.1.1]
d. Abt 1342
Bernhard III of Anhalt d. 20 Aug 1348
- 4 Katharina of Anhalt [1.1.1.1]
d. 30 Jan 1390 [ =>]
- 4 Katharina of Anhalt [1.1.1.1]
- 3 Mathilde of Anhalt [1.1.1]
- 2 Agnes of Brandenburg [1.1]