Question: John Robethon served as secretary to William III and to a  man that was King of Ireland begining in what year?

Context articles: William III of Baux
William III, Count of Burgundy
George I of Great Britain
England's Triumph
William de Lanvallei
Hampton Court Beauties
William III of England
John Robethon
Thomas Osborne, 1st Duke of Leeds
Glorious Revolution

William III of Baux (died 1257) was a son of William II of Baux.
 Following his father and grandfather, William III carried the title of prince of Orange.
 The title had come to the House of Baux through a brother, Raimbaut of Orange, of William III's paternal great-grandmother, Tiburge de Sarenom, the latter also referred to as Tiburge princess of Orange.
William III, Count of Burgundy (1110–1127) inherited his father William II's counties Burgundy and Mâcon as his only son, following William II's assassination by his barons in 1125.
 William III was himself then assassinated aged only 17 in 1127 and succeeded by Renaud III, son of William III's great-uncle Stephen.
George I (George Louis; German: "Georg Ludwig" ; 28 May 1660 – 11 June 1727) was King of Great Britain and Ireland from 1 August 1714 until his death, and ruler of the Duchy and Electorate of Brunswick-Lüneburg (Hanover) in the Holy Roman Empire from 1698.
England's Triumph, Or, The Kingdom's Joy for the proclaiming of King William and His Royal Consort, Queen Mary, in the Throne of England, on the 13th.
 of this instant February.
 1688, or simply England's Triumph, is an English broadside ballad composed in 1689.
 As the title suggests, the ballad takes as its primary focus the coronation of William III of England and his consort Mary II of England, which took place in February 1689 (even though the ballad claims it took place in 1688.
 This is most likely a typographical error on the part of the composer or the printer).
 William III and Mary II's coregency marked the end of the Glorious Revolution and the reign of James II of England.
 The coregency also brought about a shift in the religious paradigm of 17th-century England, which was Roman Catholic when James II sat upon the throne.
 Indeed, the ballad comments on the "vile pop'ry" that ruled the throne prior to the rule of William III, which saw the restoration of Protestant liberty.
 Extant copies of the ballad are available at Magdelene College in the Pepys Library.
 Alternatively, online facsimiles of the ballad are available online for public consumption.
William de Lanvallei III (died 1217) was an English landowner, governor of Colchester Castle, and a Magna Carta surety.
 He was lord of Walkern.
 William III accompanied King John of England on his expedition to Poitou in 1214 and was present at the truce.
 William III was related to several of the Magna Carta barons.
The Hampton Court Beauties are a series of portraits by Sir Godfrey Kneller, commissioned by Queen Mary II of England, depicting the most glamorous ladies from the court of William III.
 They adorn the state rooms of King William III at Hampton Court Palace.
 Hampton Court also houses the Windsor Beauties by Sir Peter Lely, depicting the most beautiful ladies of the court of King Charles II of England, a generation before.
 The Hampton Court Beauties are of a plainer, less erotic style reflecting the change in opinion towards women towards the latter half of the seventeenth century.
William III (Dutch: "Willem" ; 4 November 1650 – 8 March 1702), also widely known as William of Orange, was sovereign Prince of Orange from birth, Stadtholder of Holland, Zeeland, Utrecht, Gelderland, and Overijssel in the Dutch Republic from 1672, and King of England, Ireland, and Scotland from 1689 until his death.
 It is a coincidence that his regnal number (III) was the same for both Orange and England.
 As King of Scotland, he is known as William II.
 He is sometimes informally known in Northern Ireland and Scotland as "King Billy".
John Robethon, originally Jean Robethon (died 1722) was a French Huguenot diplomat naturalised English.
 He served as secretary to William III and to George I of Great Britain.
Thomas Osborne, 1st Duke of Leeds, KG (20 February 1632 – 26 July 1712), English politician who was part of the 'Immortal Seven' group that invited William III, Prince of Orange to depose James II of England as monarch during the Glorious Revolution.
 He was commonly known as Lord Danby and Marquess of Carmarthen when he was a prominent political figure, served in a variety of offices under Kings Charles II and William III of England.
 He was a prominent politician who had fallen out of favour due to corruption and other scandals but was restored to prominence under William
The Glorious Revolution, also called the Revolution of 1688, was the overthrow of King James II of England (James VII of Scotland) by a union of English Parliamentarians with the Dutch stadtholder William III, Prince of Orange.
 William's successful invasion of England with a Dutch fleet and army led to his ascension to the throne as William III of England jointly with his wife, Mary II, James's daughter, after the Declaration of Right, leading to the Bill of Rights 1689.