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John III
Duke of Saxe-Bergedorf-Mölln
Reign	1343–1356
Predecessor	Albert IV of Saxe-Lauenburg
Successor	Albert V of Saxe-Lauenburg

Born	mid-1330s
Died	1356
House	Ascania
Father	Albert IV of Saxe-Lauenburg
Mother	Beata of Schwerin

John III of Saxe-Lauenburg (mid 1330s – 1356) was the eldest son of Duke Albert IV of Saxe-Lauenburg and Beata of Schwerin (*?–before 1341*), daughter of Gunzelin VI, Count of Schwerin. John III succeeded his father in 1343 as Duke of Saxe-Bergedorf-Mölln, a branch duchy of Saxe-Lauenburg. He died without an heir and was succeeded by his younger brother Albert V.

Ancestry

Ancestors of John III, Duke of Saxe-Lauenburg

8. John I, Duke of Saxony

4. John II, Duke of Saxe-Lauenburg

9. Ingeborg Birgersdotter of Småland

2. Albert IV, Duke of Saxe-Lauenburg

10. Henry I, Count of Schauenburg and Holstein-Rendsburg

5. Elisabeth of Schauenburg and Holstein-Rendsburg

11. Heilwig of Bronckhorst

1. John III, Duke of Saxe-Lauenburg

12. Niklot I, Count of Schwerin-Wittenburg

6. Gunzelin VI, Count of Schwerin

13. Elisabeth of Schauenburg and Holstein-Kiel

3. Beata of Schwerin

14. Otto IV, Count of Tecklenburg

7. Richardis (Rixa) of Tecklenburg

15. Beatrix of Rietberg

John (Johann) III, Duke of Saxony, Angria and WestphaliaHouse of AscaniaBorn: mid-1330s Died: 1356 Regnal titles Preceded byAlbert IV Duke of Saxe-Bergedorf-Mölln 1343–1356 Succeeded byAlbert V