William Capell, 3rd Earl of Essex

The Right Honourable The Earl of Essex KG PC
Portrait of Lord Essex, by George Knapton, c. 1735
Lord Lieutenant of Hertfordshire
In office 1722–1743
Preceded by	The 1st Earl Cowper
Succeeded by	The 2nd Earl Cowper
Personal details
Born	William Capell (1697-01-11)11 January 1697
Died	8 January 1743(1743-01-08) (aged 45)
Spouses	Lady Jane Hyde ​ ​ (m. 1718; died 1724)​ Lady Elizabeth Russell ​ ​ (m. 1726)​
Children	Lady Charlotte Capell Lady Mary Capell William Capell, 4th Earl of Essex
Parent(s)	Algernon Capell, 2nd Earl of Essex Lady Mary Bentinck

William Capell, 3rd Earl of Essex, KG PC (11 January 1697 – 8 January 1743) was an English courtier and diplomat.^[1]