Wilhelm Kettler, Duke of Courland and Semigallia, was born 20 June 1574 in Mītava to Gotthard Kettler (1517-1587) and Anna von Mecklenburg (1533-1602) and died 4 July 1640 in Kukulova of unspecified causes. He married Sophie von Preußen (1582-1610) 5 January 1609 . Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from France, the United Kingdom, Germany, Denmark, Austria, Italy, Belgium, Russia, Ukraine, the Czech Republic, Lithuania, Belarus, Switzerland, Spain, Hungary, Bohemia, Slovakia, Slovenia, the Netherlands, Poland, Turkey, the Byzantine Empire, Sweden.


Offspring of Wilhelm Kettler and Sophie von Preußen (1582-1610)
Name Birth Death Joined with
Jakob Kettler von Kurland (1610-1682) 7 November 1610 Kuldiga, Latvia 1 January 1682 Yelgava, Latvia Luise Charlotte von Brandenburg (1617-1676)

Common ancestors of Wilhelm Kettler (1574-1640) and Sophie von Preußen (1582-1610)

  1. Albrecht III. Achilles von Brandenburg (1414-1486)
  2. Christina von Sachsen (1461-1521)
  3. Elisabeth of Denmark (1485-1555)
  4. Elisabeth von Bayern-Landshut (1383-1442)
  5. Friedrich I. von Brandenburg (1372-1440)
  6. Hans of Denmark (1455-1513)
  7. Joachim I. Nestor von Brandenburg (1484-1535)
  8. Johann Cicero von Brandenburg (1455-1499)
  9. Margarete von Sachsen (1449-1501)

Noteworthy descendants include

  1. Marie Luise von Hessen-Kassel (1688-1765)

Footnotes (including sources)

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