Lord Charles Greatheed Bertie Percy British politician (1794–1870) Parents Isabella Percy, Countess of Beverley Algernon Percy, 1st Earl of Beverley Children Anne Percy Siblings George Percy, 5th Duke of Northumberland Josceline Percy William Henry Percy Francis Percy Lady Emily Percy Lady Louisa Percy Charlotte Ashburnham, Countess of Ashburnham Henry Percy Hugh Percy Elizabeth Percy Algernon Percy Partners Anne Caroline Greatheed