Prime Minister Spencer Compton , 1st Earl of Wilmington , was his uncle and Henry Fox , 1st Baron Holland , his first cousin .
Northampton was the second son of George Compton , 4th Earl of Northampton , and Jane , daughter of Sir Stephen Fox .
Prime Minister Spencer Compton , 1st Earl of Wilmington , was George Compton 's uncle and Henry Fox , 1st Baron Holland , his first cousin .
Northampton was the second son of George Compton , 4th Earl of Northampton , and Jane , daughter of Sir Stephen Fox .