Nielsen Hayden genealogy
Family: Heinrich II of Mecklenburg / Anna of Saxe-Wittenberg (F13278)
m. 6 Jul 1315
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Male
Heinrich II of Mecklenburg
Birth Abt 1267 Riga, Latvia 
Death 21 Jan 1329 Sternberg, Mecklenburg-Vorpommern, Germany 
Burial Doberan, Mecklenburg-Vorpommern, Germany 
Marriage 6 Jul 1315 [1] Father Heinrich I von Mecklenburg | F17567 Group Sheet Mother Anastasia of Pomerania | F17567 Group Sheet
Female
Anna of Saxe-Wittenberg
Birth Death 22 Nov 1327 Burial Wismar, Mecklenburg-Vorpommern, Germany 
Father Albrecht II of Saxony | F13376 Group Sheet Mother Agnes of Habsburg | F13376 Group Sheet
Female
+ Ingeburg of Mecklenburg
Birth Death Aft 25 Jul 1395 Burial Spouse Heinrich II of Holstein | F13219 Marriage Abt 1366
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Sources - [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.
- [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.