Person

Ernest Casimir I, Count of Nassau-Dietz

1573–1632 · 17th century · Also known as Ernst Casimir of Nassau-Dietz

Ernest Casimir I was a son of John VI of Nassau-Dillenburg who received Diez in the 1606 partition and founded the Nassau-Dietz line. A general of the Dutch Republic, he became stadtholder of Friesland, Groningen and Drenthe and was killed at the siege of Roermond in 1632. His descendants became princes of Orange and the Dutch royal house.

Ernest Casimir I, Count of Nassau-Dietz
Image: Wybrand de Geest · Public domain · Wikimedia Commons

Mentioned in 1 state history

Principality of Nassau-Diez

See also

Cite this entry
APA
The Epoch Institute. (2026). Ernest Casimir I, Count of Nassau-Dietz. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/ernest-casimir-i-count-of-nassau-dietz
MLA
“Ernest Casimir I, Count of Nassau-Dietz.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/ernest-casimir-i-count-of-nassau-dietz. Accessed .
Chicago
The Epoch Institute. “Ernest Casimir I, Count of Nassau-Dietz.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/ernest-casimir-i-count-of-nassau-dietz.
Harvard
The Epoch Institute (2026) ‘Ernest Casimir I, Count of Nassau-Dietz’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/ernest-casimir-i-count-of-nassau-dietz (Accessed: ).

Last reviewed October 2026Random entry ↻