Question: Sir Frank James Fox was a journalist, soldier, author, campaigner and second son of a prominent British Whig statesman whose parliamentary career spanned how many years?

Context paragraphs:
Spencer Compton, 1st Earl of Wilmington: Spencer Compton, 1st Earl of Wilmington, (c. 1673 – 2 July 1743) was a British Whig statesman who served continuously in government from 1715 until his death.  He served as the Prime Minister from 1742 until his death in 1743.  He is considered to have been Britain's second Prime Minister, after Sir Robert Walpole, but worked extremely closely with the Secretary of State, Lord Carteret, in order to secure the support of the various factions making up the Government.

Thomas Pelham-Holles, 1st Duke of Newcastle: Thomas Pelham-Holles, 1st Duke of Newcastle upon Tyne and 1st Duke of Newcastle-under-Lyme, (21 July 1693 – 17 November 1768) was a British Whig statesman, whose official life extended throughout the Whig supremacy of the 18th century.  He is commonly known as the Duke of Newcastle.

Henry Pelham: Henry Pelham, {'1': ", '2': ", '3': ", '4': "} (25 September 1694 – 6 March 1754) was a British Whig statesman, who served as Prime Minister of Great Britain from 27 August 1743 until his death.  He was the younger brother of Thomas Pelham-Holles, 1st Duke of Newcastle, who served in Pelham's government and succeeded him as Prime Minister.  Pelham is generally considered to have been Britain's third Prime Minister after Sir Robert Walpole and the Earl of Wilmington.

Charles James Fox: Charles James Fox (24 January 1749 – 13 September 1806), styled The Honourable from 1762, was a prominent British Whig statesman whose parliamentary career spanned 38 years of the late 18th and early 19th centuries and who was the arch-rival of William Pitt the Younger.  His father Henry, a leading Whig of his day, had similarly been the great rival of Pitt's famous father.  He rose to prominence in the House of Commons as a forceful and eloquent speaker with a notorious and colourful private life, though his opinions were rather conservative and conventional.  However, with the coming of the American War of Independence and the influence of the Whig Edmund Burke, Fox's opinions evolved into some of the most radical ever to be aired in the Parliament of his era.

William Windham: William Windham PC, PC (Ire) (14 May [O.S. 3 May] 1750 – 4 June 1810) was a British Whig statesman.  Elected to Parliament in 1784, Windham was attached to the remnants of the Rockinghamite faction of Whigs, whose members included his friends Charles James Fox and Edmund Burke.  Windham soon became noted for his oratory in the House of Commons.

Frank Fox (author): Sir Frank James Fox (1874-1960) was a journalist, soldier, author and campaigner.  He was born in 1874 in Adelaide, second son of Charles James Fox, journalist, and his wife Mary Ann, née Toole.  He moved to Hobart in 1883, when his father became editor of the Tasmanian Mail, and was educated at Christ's College, Hobart.  At an early age he wrote paragraphs for his father's paper.  His great-grandson is the former British Conservative Member of Parliament Dr. Charles Goodson-Wickes.

John Lambton, 1st Earl of Durham: John George Lambton, 1st Earl of Durham, GCB, PC (12 April 1792 – 28 July 1840), also known as "Radical Jack" and commonly referred to in Canadian history texts simply as Lord Durham, was a British Whig statesman, colonial administrator, Governor General and high commissioner of British North America.  He was a founding member and chairman of the New Zealand Company that played a key role in the colonisation of New Zealand.

William Cavendish, 4th Duke of Devonshire: William Cavendish, 4th Duke of Devonshire, (8 May 1720 – 2 October 1764), styled Lord Cavendish before 1729 and Marquess of Hartington between 1729 and 1755, was a British Whig statesman and nobleman who was briefly nominal Prime Minister of Great Britain.  He was the first son of William Cavendish, 3rd Duke of Devonshire and Catherine Hoskins.

William Fitzwilliam, 4th Earl Fitzwilliam: William Wentworth-Fitzwilliam, 4th Earl Fitzwilliam PC (30 May 1748 – 8 February 1833), styled Viscount Milton until 1756, was a British Whig statesman of the late 18th and early 19th centuries.  In 1782 he inherited the estates of his uncle Charles Watson-Wentworth, 2nd Marquess of Rockingham, making him one of the richest people in Britain.  He played a leading part in Whig politics until the 1820s.

The Intrepid Fox: The Intrepid Fox was a pub at 97/99 Wardour Street, Soho, established in 1784 by the publican Samuel House, who named it after the prominent British Whig statesman Charles James Fox.  The pub was located on the corner of Wardour Street and Peter Street.

Supporting paragraphs: Frank Fox (author) Charles James Fox
Answer: 38