skos:altLabel | - Duke
- Spouse
- Courland
- Kurland
- duchy
- Duchess of Courland
- Courland and Semigallia
- Duchy of Courland
- Duchy of Courland and Semigallia#Dukes of Courland and Semigallia
- Baltic Courland
- Council of the Duke
- Courlanders
- Duchess Consort of Courland and Semigallia
- Duchy of Courland and Semigallia#Dukes of Courland
- Duchy of Courland's
- Duchy of Kurland
- Duke of Courland
- Duke of Courland and Semigallia
- Dukes of Courland
- Livonia in 1562
- Princess of Courland
- Semigallia
- The Duke's
- duke of Courland
- duke of Courland and Semigallia
- ruling family of Courland and Semigallia
|