Dukes of Courland Herzöge von Kurland Records #6 Holders Family filter On/Off Frederick Casimir Kettler, duke of Courland * 1650 Friederich William, duke of Courland * 1692 Jacob Kettler, prince and duke of Courland * 1610 Johann Friederich Kettler, duke of Courland * 1682 Leopold Carl Kettler, duke of Courland * 1693 Peter Biron, duke of Courland and Sagan * 1724 Corrections and Updates To suggest a correction or an update. Click Here
