Nielsen Hayden genealogy
Konstancja of Poland
1246 - 1281 (~ 36 years)1. Konstancja of Poland was born between 1245 and 1246; died on 10 Oct 1281. Konstancja married Konrad I in 1260. Konrad (son of Johann I of Brandenburg and Sophie of Denmark) was born between 1236 and 1245; died between 15 Mar 1304 and 21 May 1304. [Group Sheet] [Family Chart]
Children:
- 2. Agnes of Brandenburg
died on 4 Jun 1330; was buried in St. Nikolai, Zerbst, Saxony-Anhalt, Germany.
- 2. Agnes of Brandenburg
Generation: 2
2. Agnes of Brandenburg (1.Konstancja1) died on 4 Jun 1330; was buried in St. Nikolai, Zerbst, Saxony-Anhalt, Germany. Agnes married Albrecht I of Anhalt in 1300. Albrecht (son of Siegfried I of Anhalt and Katarina of Sweden) died between 17 Aug 1316 and 2 Mar 1317. [Group Sheet] [Family Chart]
Children:
- 3. Mathilde of Anhalt died about 1342.
- 3. Mathilde of Anhalt
Generation: 3
3. Mathilde of Anhalt (2.Agnes2, 1.Konstancja1) died about 1342. Notes:
Countess of Anhalt in Zerbst.
Mathilde married Bernhard III of Anhalt about 1339. Bernhard (son of Bernhard II of Anhalt and Helene of Rügen) died on 20 Aug 1348. [Group Sheet] [Family Chart]
Children:
- 4. Katharina of Anhalt died on 30 Jan 1390.
- 4. Katharina of Anhalt
Generation: 4
4. Katharina of Anhalt (3.Mathilde3, 2.Agnes2, 1.Konstancja1) died on 30 Jan 1390. Katharina married Magnus II of Brunswick before 6 Oct 1356. Magnus (son of Magnus I of Brunswick and Sophia of Brandenburg) was born about 1328; died on 25 Jul 1373 in Leveste, Lower Saxony, Germany; was buried in Braunschweig, Lower Saxony, Germany. [Group Sheet] [Family Chart]
Children:
- 5. Agnes of Brunswick-Lüneburg died on 21 Mar 1410.
- 6. Elisabeth of Brunswick-Lüneburg was born about 1370; died before 3 Apr 1422.
- 5. Agnes of Brunswick-Lüneburg