Lucy Percy, is the daughter of Henry Percy, 9th Earl of Northumberland and Dorothy Devereux, sister of
Robert Devereux, 2nd Earl of Essex. She is kinswoman to
Venetia Stanley and is James Hay, 1st Earl of Carlisle’s wife.
Digby: The Gunpowder Plotter's Legacy. (Working Title). A Feature Film in Development. © Dianne Thomas and White Lyon Films Ltd 2012.