"Joachim Frederick (German: Joachim Friedrich) (27 January 1546 – 18 July 1608), of the House of Hohenzollern, was Prince-elector of the Margraviate of Brandenburg from 1598 until his death." - (en.wikipedia.org 29.10.2019)
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| father of | Barbara Sophie of Brandenburg ↓ |
|---|---|
| father of | John Sigismund, Elector of Brandenburg [son of], Catherine of Brandenburg-Küstrin [mother of] ↓ |
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