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
Records of Prime Ministers of the United Kingdom have both had immediate successors to die in office. The longest-married Prime Minister was James Callaghan who was married to his wife Audrey for 66 years from July 1938 until her death on 15 March 2005. Three Prime Ministers married while in office, all to second wives: The British Prime Minister widowed the shortest is James Callaghan, who died on 26 March 2005. His wife, Audrey Callaghan, died on 15 March 2005, only 11 days before him. Only two British Prime Ministers have been divorced: Only four British Prime Ministers were bachelors: At least 24 British Prime Ministers were related