. . . . . . . "The Right Honourable William Henry Nassau de Zuylestein, 4th Earl of Rochford, K.G., P.C. \n* Born: 17 September 1717 \n* Died: 28 September 1781"@en . . . "William Henry Nassau de Zuylestein, 4th Earl of Rochford"@en . . . "The Right Honourable William Henry Nassau de Zuylestein, 4th Earl of Rochford, K.G., P.C. \n* Born: 17 September 1717 \n* Died: 28 September 1781"@en . "1770"^^ . "1768"^^ . .