Given the task definition and input, reply with output. Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Swietosawa of Poland (Czech: Svatava Polska (c. 1046-1048 -- 1 September 1126)) was the third wife of Duke (later King) Vratislaus II of Bohemia and the first Queen of Bohemia as of 1085.
Answer : Vratislaus II of Bohemia
What is Swietosawa of Poland's spouse's name?