Gotthard Kettler, Duke of Courland was the last Master of the Livonian Order from 1559 to 1561 and the first Duke of Courland and Semigallia from 1561 to 1587.
Portrait, 1584
Ancestral coat of arms of the Kettler, princes of Courland and Semigalia according to German heraldry presented by Johann Siebmacher.
Anna of Mecklenburg, was the duchess consort of Courland by marriage to Gotthard Kettler. She was the daughter of Albrecht VII, Duke of Mecklenburg and Anna of Brandenburg. Anna is the first woman in