Given the question: What key details about ernest casimir i , count of nassau-dietz can be extracted from the following bio? Bio: ernst casimir i of nassau-dietz -lrb- dillenburg , 22 december 1573 -- roermond , 2 june 1632 -rrb- was count of nassau-dietz and stadtholder of friesland , groningen and drenthe .
The answer is:
- title is count of nassau-dietz- period is 1620-1632- caption is portrait oil on panel , 66.8 58 cm , rijksmuseum -lrb- , muiderslot 1633 -rrb- by wybrand de geest ,- successor is henry casimir- mother is countess elisabeth of leuchtenberg- death date is 2 june 1632- spouse is sophia hedwig of brunswick-luneburg- father is john vi , count of nassau-dillenburg- birth date is 22 december 1573- name is ernst casimir i- image is portrait geest , 1633 -rrb- . jpg of ernst casimir van nassau-dietz -lrb- wybrand de- death place is roermond- birth place is dillenburg