Question: When did Philip, Duke Of Holstein-Gottorp's father die?
Sentence (from "Philip, Duke of Holstein-Gottorp"): Philip, Duke of Holstein-Gottorp (10 August 1570 – 18 October 1590) was the second son of Adolf, Duke of Holstein-Gottorp (1526–1586) and his wife, Christine of Hesse (1543–1604).
Relevant evidence: Yes