context: Margarita of Navarra (French: Marguerite, Spanish: Margarita, Italian: Margherita) (c. 1135 - August 12, 1183) was a consort of the Kingdom of Sicily during the reign of Gugghiermu I (1154–1166) and the throne during her minority of children, Gugghiermu II.
question: Who is the son of Margarita from Navarra?
answers.text: Gugghiermu II