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== Dzieci ==
Poślubił [[Elisabeth ofElżbietę Bavariaz Bavariai-Landshut]] (1383–13 November 1442, Ansbach), daughter of Duke [[Frederick, Duke of Bavaria|Frederick of Bavaria-Landshut]] and [[Maddalena Visconti]]. Their children were:
# [[Elisabeth of Brandenburg, Duchess of Brzeg-Legnica and Cieszyn|Elisabeth]]Elżbieta (1403–31 OctoberPaździernik 1449, [[Legnica]])
# [[John, Margrave of Brandenburg-Kulmbach|JohnJan "the AlchemistAlchemik"]] (1405–1465), Margrave ofMargrabia Brandenburg-Kulmbach.
# [[Cecilia of Brandenburg|Cecilia]]Cecylia (c. 1405–4 JanuaryStyczeń 1449)
# [[Margaret of Brandenburg (1410–1465)|Margaret]]Małgorzata (1410–27 July 1465, [[Landshut]])
# [[MagdaleneMagdalena of Brandenburg (1412–1454)|Magdalene]] (c. 1412 –27 OctoberPaździernik 1454, [[Scharnebeck]])
# [[Frederick II, Elector of Brandenburg|Frederick II]] (1413–1471), Elektor Brandenburgii
# [[Albert III Achilles, Elector of Brandenburg|Albrecht Achilles]], (1414–1486), Elektor Brandenburgii
# SofieSofia, bornurodzona andi diedzmarła 1417.
# [[Dorothea of Brandenburg (1420–1491)|Dorothea]]Dorota (9 FebruaryLuty 1420–19 JanuaryStyczeń 1491, [[Rehna]])
# [[Frederick of Altmark|Frederick "the FatDruby"]] (c. 1424–6 October 1463, [[Tangermünde]]), Lord of Altmark,
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