Sophie of Saxe-Lauenburg | |
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| Born | 1428 |
| Died | 9 September 1473 |
| Noble family | House of Ascania |
| Spouse(s) | Gerhard VII, Duke of Jülich-Berg |
| Father | Bernard II, Duke of Saxe-Lauenburg |
| Mother | Adelheid of Pomerania |
Sophie of Saxe-Lauenburg (1428 – 9 September 1473) was a German regent, Duchess of Jülich-Berg by marriage to Gerhard VIII of Jülich-Berg. She was regent of Jülich, Berg and Ravensberg during the incapacity of her spouse and the minority of her eldest son William IV from 1456 until 1473.