Duke Of Courland
1. Jacob Kettler (1610)
Duke Of Courland
Baltic German Duke of the Duchy of Courland and Semigallia who reigned from 1642 until his death forty years later.
2. Ferdinand Kettler (1655)
Duke Of Courland
Kettler was Duke of Courland and Semigallia from 1730 to 1737. Ferdinand was the son of Jacob Kettler and Louise Charlotte of Brandenburg. Married in 1730 to Johanna Magdalene of...