Title: John Campbell, 3rd Earl of Breadalbane and Holland
Content:  John Campbell, 3rd Earl of Breadalbane and Holland KB (10 March 1696 – 26 January 1782), styled Lord Glenorchy from 1716 until 1752, was a British nobleman, diplomat and politician who sat in the House of Commons from 1727 to 1746.
Title: Earl of Breadalbane and Holland
Content: John Campbell, 1st Earl of Breadalbane and Holland (1635–1717) ; Duncan Campbell, Lord Ormelie (c. 1660 – 1727) ; John Campbell, 2nd Earl of Breadalbane and Holland (1662–1752) ; John Campbell, 3rd Earl of Breadalbane and Holland (1692–1782) ; Hon. Henry Campbell (c. 1721 – 1727) ; Hon. George Campbell (died 1744) ; John Campbell, Lord Glenorchy (1738–1771) ; John Campbell, 4th Earl of Breadalbane and Holland (1762–1834) (created Marquess of Breadalbane in 1831) 
Title: John Campbell, 1st Marquess of Breadalbane
Content:  Lieutenant-General John Campbell, 1st Marquess of Breadalbane FRS (30 March 1762 – 29 March 1834), known as John Campbell until 1782 and as The Earl of Breadalbane and Holland between 1782 and 1831, was a Scottish soldier and landowner.
Title: John Campbell, 3rd Earl of Breadalbane and Holland
Content:  Campbell was Envoy to Denmark from 1718, and ambassador to the Russian Empire in 1731. He was a Lord of the Admiralty in 1741 until the dissolution of Sir Robert Walpole's government the following year. He was returned as Member of Parliament for Saltash in 1727 and 1734. He was returned as MP for Orford in 1741. He was appointed Master of the Jewel Office in 1745 and resigned his seat in the House of Commons. He succeeded his father as Earl of Breadalbane and Holland on 23 February 1752 and became a Scottish representative peer. He was awarded a DCL from the University of Oxford in 1756, and served as Justice in Eyre south of the Trent from 1756 to 1765 and Vice-Admiral of Scotland from 1776.
Title: John Campbell, 1st Earl of Breadalbane and Holland
Content:  John Campbell, 1st Earl of Breadalbane and Holland (1636 – 19 March 1717), son of Sir John Campbell of Glen Orchy, and of the Lady Mary Graham, daughter of William Graham, 1st Earl of Airth and 7th Earl of Menteith, was a member of Scottish nobility during the Glorious Revolution and Jacobite risings and also known as "Slippery John". An astutely political man, Campbell was one of the men implicated in the Massacre of Glencoe.
Title: John Campbell, 3rd Earl of Breadalbane and Holland
Content:  Campbell was the son of John Campbell, 2nd Earl of Breadalbane and Holland and Henrietta Villiers daughter of Sir Edward Villiers, knight marshal. He matriculated at Christ Church, Oxford in 1711.
Title: Earl of Breadalbane and Holland
Content: John Campbell, 1st Marquess of Breadalbane (1762–1834) ; John Campbell, 2nd Marquess of Breadalbane (1796–1862) 
Title: John Campbell, 2nd Earl of Breadalbane and Holland
Content:  John Campbell, 2nd Earl of Breadalbane and Holland (19 November 1662 – 23 February 1752) a Scottish nobleman born in Breadalbane to John Campbell, 1st Earl of Breadalbane and Holland and Lady Mary Rich. In 1685 he married Lady Frances Cavendish, daughter of Henry Cavendish, 2nd Duke of Newcastle-upon-Tyne and Lady Frances Pierrepont. With no issue Lady Frances died on 4 February 1690. On 23 May 1695 the Earl married a second time to Henrietta Villiers, daughter of Edward Villiers and Lady Frances Howard. They had three children including John Campbell, 3rd Earl of Breadalbane and Holland. The Earl was commonly referred to as Lord Glenorchy. On 19 March 1717 he succeeded his father as the 2nd Earl of Breadalbane and Holland. He also could claim other titles such as the 6th Baronet Campbell of Glenorchy; 2nd Viscount of Tay and Paintland; and 2nd Lord Glenorchy, Benederaloch, Ormelie and Weick. From 1725 to 1752 he was the Lord-Lieutenant of Perthshire and from 1736 to 1747 he held the office of Representative Peer. From 1746 until his death in 1752 he was Chief Justice in Eyre.
Title: John Campbell, 3rd Earl of Breadalbane and Holland
Content: Henry Campbell (c. 1721 - 12 May 1727). ; Jemima Campbell, 2nd Marchioness Grey, 4th Baroness Lucas. George Campbell, Lord Glenorchy (d. 24 March 1744). ; John Campbell, Lord Glenorchy (20 September 1738 – 14 November 1771) (who married Willielma Maxwell). Lord Breadalbane and Holland was married on 20 February 1717 to Lady Amabel de Grey, a daughter of Henry Grey, 1st Duke of Kent and his wife, the former Jemima Crew. Lady Amabel died on 2 March 1726 leaving 2 children:  The Earl married a second time to Arbella Pershall on 23 January 1730. They also had 2 children: 
Title: Earl of Breadalbane and Holland
Content: John Alexander Gavin Campbell, 6th Earl of Breadalbane and Holland (1824–1871) ; Gavin Campbell, 7th Earl of Breadalbane and Holland (1851–1922) (created Marquess of Breadalbane in 1885) 

Question: What is John Campbell, 3rd Earl of Breadalbane and Holland's occupation?
Answer: diplomat.
politician.
political leader.
political figure.
polit.
pol.