Anna of Brunswick-Grubenhagen
Anna of Brunswick-Grubenhagen-Einbeck was a daughter of Duke Eric I of Brunswick-Grubenhagen and his wife, Elisabeth of Brunswick-Göttingen, daughter of Otto I, Duke of Brunswick-Göttingen.
Anna's first marriage was with Duke Albert III of Bavaria. They had the following children:
- John IV, Duke of Bavaria
- Ernest
- Sigismund of Bavaria
- Albert
- Margaretha, married in 1463 with Marquess Frederick I of Mantua
- Elisabeth, married in 1460 with Elector Ernest of Saxony
- Albert IV
- Christopher
- Wolfgang
- Barbara, a nun in Munich