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Örjan Martinsson

Dukes of Courland

When the Livonian order united with Poland-Lithuania 1562 its last grand master Gotthard Kettler became duke of Courland and Zemgallia under Polish-Lithuanian supremacy.

House of Kettler

1562-1587
1587-1642
1587-1616
1642-1682
1682-1698
1698-1711
1701-1709
1711-1737

Gotthard
Friedrich
Wilhelm
Jakob
Friedrich Kasimir
Friedrich Wilhelm
Occupied by Sweden
Ferdinand


House of Bühren (Biron)

 

1737-1741
1741-1758

Ernst Johann
Interregnum (Russian rule)

House of Wettin

 

1758-1763

Karl

House of Bühren (Biron)

 

1763-1769
1769-1795

Ernst Johann (restored)
Peter

Courland is transformed into a Russian province after the third partition of Poland 1795.
It is then united with the new state of Latvia in 1918.