Oswald Phipps, 4th Marquess of Normanby
Oswald Constantine John Phipps, 4th Marquess of Normanby( 29 July 1912 – 30 January 1994) was a British peer and philanthropist for blind people.
George Phipps, 2nd Marquess of Normanby
George Augustus Constantine Phipps, 2nd Marquess of Normanby (23 July 1819 – 3 April 1890), styled Viscount Normanby between 1831 and 1838 and Earl of Mulgrave between 1838 and 1863, was a British Liberal politician and colonial governor of Nova Scotia, Queensland, New Zealand and Victoria.
Lewis Gordon, 3rd Marquess of Huntly
Lewis Gordon, 3rd Marquess of Huntly( c. 1626–1653) was a Scottish nobleman.
He was the third son of George Gordon, 2nd Marquess of Huntly.
Constantine Phipps, 3rd Marquess of Normanby
Constantine Charles Henry Phipps, 3rd Marquess of Normanby DL( 29 August 1846 – 25 August 1932) was a Canon of Windsor from 1891 to 1907.
James Gordon, 2nd Viscount Aboyne
James Gordon, 2nd Viscount Aboyne( c. 1620 – February 1649) was the second son of George Gordon, 2nd Marquess of Huntly, a Scottish royalist commander in the Wars of the Three Kingdoms.
William Herbert, 2nd Marquess of Powis
William Herbert, 2nd Marquess of Powis( c. 1660–1745) was a Welsh aristocrat and Jacobite supporter.
Constantine Phipps, 1st Marquess of Normanby
Constantine Henry Phipps, 1st Marquess of Normanby, (15 May 1797 – 28 July 1863), styled Viscount Normanby between 1812 and 1831 and known as The Earl of Mulgrave between 1831 and 1838, was a British Whig politician and author.
He notably served as Lord Lieutenant of Ireland from 1835 to 1839 and as Home Secretary from 1839 to 1841 and was British Ambassador to France between 1846 and 1852.
John Butler, 2nd Marquess of Ormonde
John Butler, 2nd Marquess of Ormonde, KP( 24 August 1808 – 25 September 1854) was an Irish politician and peer.
James Graham, 2nd Marquess of Montrose
James Graham, 2nd Marquess of Montrose( – February 1669) was a Scottish nobleman and judge, surnamed the" Good" Marquess.
Constantine Phipps, 5th Marquess of Normanby
Constantine Edmund Walter Phipps, 5th Marquess of Normanby( born 24 February 1954), is a British peer, novelist, poet, and entrepreneur.

Question: What is the date of birth of George Phipps, 2Nd Marquess Of Normanby's father?
Answer: 15 May 1797