The Peerage and Royalty

WHOSYERDAD-E Who's Your Daddy?
Wikigenealogy

Interactive tree of Johann IV, Duke Of SAXONY

Johann IV, Duke Of SAXONY 1377–1414
Erich IV, Duke Of SAXONY LAUENBURG RATZEBURG 1354–1411
Sofie Princess Of BRUNSWICK 1358–1416
Magnus II Duke Of BRUNSWICK-WOLFENBhUTTEL 1328–1373
Katharine Princess Of ANHALT-BERNBURG 1332–1390