Charles Radclyffe Titular 5th Earl of Derwentwater (1693–1746) Parents Edward Radclyffe, 2nd Earl of Derwentwater Mary Tudor, Countess of Derwentwater Children Lady Maria Radclyffe James Bartholomew Radclyffe, 4th Earl of Newburgh James Clement Radclyffe Siblings Lady Mary Tudor Radclyffe Francis Radclyffe James Radclyffe, 3rd Earl of Derwentwater Margaret Frances Disney Rooke Partners Charlotte Maria Radclyffe, 3rd Countess of Newburgh