Question: What is the date of death of Krisztina Nyáry's husband?
Sentence (from "Nikolaus, Count Esterházy"): Baron, later Count Nikolaus Esterházy de Galántha  (Galanta, April 8, 1583Großhöflein, September 11, 1645) was the founder of the West-Hungarian noble House of Esterházy which became one of the grandest and most influential aristocratic families of the Kingdom of Hungary.
Relevant evidence: Yes