John IV, Count of Nassau-Siegen
Count of Nassau-Siegen, Vianden and Diez, Lord of Breda (1442-1475)
Birth
August 10, 1410
Death
February 12, 1475
Dillenburg, Germany
Other Names
John IV, Count of Nassau-Dillenburg, John IV, Count of Nassau, John IV of Nassau-Siegen, John IV of Nassau-Dillenburg, John IV of Nassau
