William Hay, 17th Earl of Erroll (12 March 1772 – 26 January 1819), known as Lord Hay until 1778, was a Scottish peer

Peerage of Scotland

The Peerage of Scotland is the division of the British Peerage for those peers created in the Kingdom of Scotland before 1707. With that year's Act of Union, the Kingdom of Scotland and the Kingdom of England were combined into the Kingdom of Great Britain, and a new Peerage of Great Britain was...

.

Erroll was the son of James Hay, 15th Earl of Erroll

James Hay, 15th Earl of Erroll

James Hay, 15th Earl of Erroll was the son of William Boyd, 4th Earl of Kilmarnock.He was born with the name of James Boyd but legally changed it to James Hay in 1758, when he succeeded his great-aunt as Earl of Erroll .In 1749, he married Rebecca Lockhart In 1762,...

 and his second wife, Isabella Carr. He firstly married Jane Bell (died 1793) in 1792, and they had one child together. Secondly, he married Alicia Eliot (died 1812) in 1796, who was the sister-in-law

Sister-in-law

A sister-in-law is the sister of one's spouse, the wife of one's sibling, or sometimes the wife of one's spouse's sibling...

 of Sir Thomas Stapleton, 16th Baron Le Despencer

Baron le Despencer

The title Baron le Despencer has been created several times by writ in the Peerage of England.-Creation:The first creation was in 1295, when Hugh the elder Despenser was summoned to the Model Parliament. He was the eldest son of the sometime Justiciar Hugh le Despenser , who was summoned in 1264 to...

; they had seven children together. Finally, Erroll married Harriet Somerville (died 1864) in 1816.

Family

Issue by Jane Bell

• Lady Dulcibella Hay (c. 1794 - 1885)

Issue by Alicia Eliot

• Lady Emma Hay (died 1841)
• Lady Isabella Hay (died 1868)
• James Hay, Lord Hay
  James Hay, Lord Hay
  James Hay, Lord Hay and Lord Slains was a British aristocrat and soldier.James Hay was the son of William Hay, 17th Earl of Erroll and his wife Alicia Eliot ....
  
   (1797? - 1815; killed at the Battle of Waterloo
  Battle of Waterloo
  The Battle of Waterloo was fought on Sunday 18 June 1815 near Waterloo in present-day Belgium, then part of the United Kingdom of the Netherlands...
  
  )
• William Hay, 18th Earl of Erroll
  William Hay, 18th Earl of Erroll
  William George Hay, 18th Earl of Erroll KT, GCH, PC , styled Lord Hay between 1815 and 1819, was a Scottish peer and politician.-Background and education:...
  
   (1801 - 1846)
• Lady Harriet Hay (died 1837)
• Lady Caroline Hay (died 1877)
• Hon. Samuel Hay (1807-1847)

Issue by Harriet Somerville

• Rev. Hon. Somerville Hay (1817-1853)
• Lady Margaret Hay (1819-1891)
• Lady Fanny Hay (died 1853)

Ancestors