Question: Who conspired to kill David Rizzio, the lover of Mary, Queen of Scots?
Sentence (from "David Rizzio"): Mary's husband, Lord Darnley, is said to have been jealous of their friendship, because of rumours that he had impregnated Mary, and joined in a conspiracy of Protestant nobles, led by Patrick Ruthven, 3rd Lord Ruthven, to murder him.
Relevant evidence: Yes