Records of Prime Ministers of the United Kingdom transitions between reigns, eight Prime Ministers each served under two sovereigns: George III had 14 Prime Ministers serving during his 59-year reign (reigned 1760–1820), beginning with the Duke of Newcastle. The last incumbent, Lord Liverpool, was the only one appointed by his son (the Prince Regent) during the father's final incapacity to rule. In downward numerical order, numbers of Prime Ministers in office during other reigns are: Only six Prime Ministers came to serve office under sovereigns in whose own reigns they were born. The present Prime Minister, Theresa May, is the third Prime Minister to have been born in
Prime Minister of Saudi Arabia 1960, allowing Saud to reclaim the reins of government, but continued discontent saw Faisal return as prime minister in 1962. After the deposition of Saud in 1964, Faisal succeeded him as king, while remaining prime minister. Since then the two offices have been merged. However, since the reign of King Khalid, others have done much of the "heavy lifting" as the king was either unwilling or unable to carry the workload, especially as the kingdom became a gerontocracy during the 1990s and 2000s. Royal Favorites achieved power to become "de facto" prime ministers. The current one is the King's son