| 1. | Joachim Frederick died on 25 March 1602 in Brzeg. Joachim Frédéric meurt le 25 mars 1602 à Brzeg. |
| 2. | Frederick was born in Brzeg. Frédéric nait à Brzeg. |
| 3. | He studied at the Gymnasium in Brzeg (Brieg), and at the Albertina. Il a étudié au gymnasium de Brzeg et à l'Albertina. |
| 4. | The unfortunate news reached Brzeg only at the end of the year. La mauvaise nouvelle n'arrive seulement à Brzeg qu'à la fin de l'année. |
| 5. | The Duchy was divided into three parts: Wrocław, Legnica and Brzeg (Brieg). Le duché est divisé en trois morceaux : Wrocław, Legnica et Brzeg. |
| 6. | The unfortunate news reached to Brzeg only until the end of the year. La mauvaise nouvelle arrive seulement à Brzeg à la fin de l'année. |
| 7. | During his captivity, his brother held the regency over his Duchy of Brieg. Pendant sa longue captivité son frère assure la régence du duché de Brzeg. |
| 8. | In 1632, he died of a fever in an army camp outside Brzeg. En 1632, il meurt d'une fièvre contractée dans le camp militaire de Brzeg. |
| 9. | In 1632 the Saxon army entered in the Silesian states, including the Duchy of Brzeg. En 1632 l'armée saxonne entre en Silésie et occupe le duché de Brzeg. |
| 10. | In 1450 they pledged Brieg, this time to their maternal uncle, Duke Nicholas I of Opole. En 1450 il engage Brzeg, à leur oncle maternel Nicolas Ier d'Opole. |