Earldom of Montgomery held with Earldom of Pembroke
Arms of Herbert:Per pale azure and gules, three lions rampant argent[1][2]
Creation date	4 May 1605
Created by	James I
Peerage	Peerage of England
First holder	Philip Herbert, 4th Earl of Pembroke, 1st Earl of Montgomery
Present holder	William Herbert, 18th Earl of Pembroke, 15th Earl of Montgomery
Heir apparent	Reginald Henry Michael Herbert, Lord Herbert
Remainder to	Males heir of the body lawfully begotten
Subsidiary titles	Baron Herbert of Shurland
Seat	Wilton House
Motto	Ung je serviray ("One will I serve")[2]

The titleEarl of Montgomery (pronounced "Mun-gum-ery") was created in thePeerage of England in 1605 forSir Philip Herbert, younger son of the2nd Earl of Pembroke. The first Earl inherited theEarldom of Pembroke in 1630 from his brother, the3rd Earl, and the two titles remain united.^[2]

• Philip Herbert, 4th Earl of Pembroke, 1st Earl of Montgomery (1584–1649)
• Philip Herbert, 5th Earl of Pembroke, 2nd Earl of Montgomery (1621–1669)
• William Herbert, 6th Earl of Pembroke, 3rd Earl of Montgomery (1642–1674)
• Philip Herbert, 7th Earl of Pembroke, 4th Earl of Montgomery (c. 1652–1683)
• Thomas Herbert, 8th Earl of Pembroke, 5th Earl of Montgomery (1656–c. 1732)
• Henry Herbert, 9th Earl of Pembroke, 6th Earl of Montgomery (1693–1750)
• Henry Herbert, 10th Earl of Pembroke, 7th Earl of Montgomery (1734–1794)
• George Augustus Herbert, 11th Earl of Pembroke, 8th Earl of Montgomery (1759–1827)
• Robert Henry Herbert, 12th Earl of Pembroke, 9th Earl of Montgomery (1791–1862)
• George Robert Charles Herbert, 13th Earl of Pembroke, 10th Earl of Montgomery (1850–1895)
• Sidney Herbert, 14th Earl of Pembroke, 11th Earl of Montgomery (1853–1913)
• Reginald Herbert, 15th Earl of Pembroke, 12th Earl of Montgomery (1880–1960)
• Sidney Charles Herbert, 16th Earl of Pembroke, 13th Earl of Montgomery (1906–1969)
• Henry George Charles Alexander Herbert, 17th Earl of Pembroke, 14th Earl of Montgomery (1939–2003)
• William Alexander Sidney Herbert, 18th Earl of Pembroke, 15th Earl of Montgomery (b. 1978)

Theheir apparent is the present holder's son Reginald Henry Michael Herbert, Lord Herbert (b. 2012).

• Kidd, Charles, ed. (1903).Debrett's peerage, baronetage, knightage, and companionage. London: Dean and son. p. 694.

• Earldoms in the Peerage of England
• 1605 establishments in England
• Noble titles created in 1605

• Articles with short description
• Short description matches Wikidata
• Use dmy dates from April 2022