Background
Capell was the son of William Capell, 3rd Earl of Essex (1696–1743), by his marriage to Lady Elizabeth Russell, a daughter of Wriothesley Russell, 2nd Duke of Bedford (1680–1711). He was born in 1732 in Turin.
Capell was the son of William Capell, 3rd Earl of Essex (1696–1743), by his marriage to Lady Elizabeth Russell, a daughter of Wriothesley Russell, 2nd Duke of Bedford (1680–1711). He was born in 1732 in Turin.
In January 1743, at the age of ten, he inherited his father"s titles and estates. In 1753, at the age of twenty-one, he took his seat in the House of Lords. The Earl of Essex married firstly Frances Hanbury-Williams the daughter of Charles Hanbury Williams (1709–1757) of Coldbroke, Monmouthshire) and of Lady Francis Coningsby (1707–1781) of Hampton Court, Herefordshire.
Essex died on 4 March 1799 at Street James"s Palace, Westminster.