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 : He was the father of Glaucus, Ornytion, Almus, and Thersander by the nymph Merope, the brother of Salmoneus, and the grandfather of Bellerophon through Glaucus King Sisyphus promoted navigation and commerce but was avaricious and deceitful.
Answer : Merope
What is Sisyphus's spouse's name?