Family:John IV, Duke of Mecklenburg and Catherine of Saxe-Lauenburg, Duchess of Mecklenburg (1)
Parents: Magnus I, Duke of Mecklenburg and Elisabeth of Pomerania
John IV _____, Duke of Mecklenburg
b. Bef 1370
d. 16 Oct 1422
Parents: Eric IV, Duke of Saxe-Lauenburg and Sophie of Brunswick-Lüneburg
Catherine of Saxe-Lauenburg, Duchess of Mecklenburg
b. Abt 1400
d. 22 Sep 1450
Children
BirthDeath
1.
Henry IV _____, Duke of Mecklenburg
1417
9 Mar 1477
2.
John V _____, Duke of Mecklenburg
1418
Bet 1 Nov 1442 and 13 Jan 1443
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