Question: What nationality is Tunku Puan Zanariah's husband?
Sentence (from "Tunku Puan Zanariah"): Almarhum Tengku Ahmad, formerly known as Sultanah Zanariah (Jawi: تونكو ڤوان زانريه; July 5, 1940 – March 17, 2019), was the second wife of Sultan Iskandar of Johor from their marriage in 1961 until his death in 2010.
Relevant evidence: Yes