Sat for a Welsh constituency. American Boris Johnson, first American-born prime minister (born in New York City). Also first British prime minister to have been potentially eligible for the office of President of the United States: until 2016 he was a natural-born citizen, but had not completed the required 14 years of US residence. He has both Muslim (Turkish and Circassian) and (Russian-Lithuanian) Jewish ancestry, one ancestor having been a Rabbi and a great grandfather having been the journalist and politician Ali Kemal. Canadian Bonar Law, first Canadian-born prime minister (born in Kingston, Colony of New Brunswick, now Rexton, New Brunswick, Canada) British Jewry Benjamin Disraeli was of Jewish descent, though his ancestors had lived in other European countries. Grandfather migrated to England from Italy in 1748. Anglo-Indian Robert Jenkinson, 2nd Earl of Liverpool, was descended from Portuguese settlers in India; he may also have been one-sixteenth Indian in ancestry Non-white British Indian Rishi Sunak is the first prime minister of British Asian and British Indian descent, as well as the first person of colour to be prime minister. He was born in England to African-born Hindu parents of Indian Punjabi descent. His parents were both born in the Indian diaspora in Southeast Africa, his father in the Colony and Protectorate of Kenya (present-day Kenya) and his mother in Tanganyika (now part of Tanzania). Religious background Christian Britain's prime ministers have been predominately Church of England by denomination, in an office which has had input into the appointment of that Church's bishops. The first to hold the office from outside the Church of England was Lord Bute, who was a member of the Scottish Episcopal Church, while the Duke of Grafton was the first to convert away by formally becoming a Unitarian, after leaving office. Prime ministers of other denominations (when in office, unless otherwise stated) were: Church of Scotland Arthur Balfour Henry Campbell-Bannerman Gordon Brown Scottish Episcopal Church Lord Bute Alec Douglas-Home Unitarian Church The Duke of Grafton — Church of England when in office, became member of Unitarian congregation in London in 1774. Ramsay Macdonald - was a Unitarian between leaving his native Free Church of Scotland and joining the Ethical Union. Neville Chamberlain — was raised in a Unitarian family, but, apart from funerals, was not shown to have attended religious services during his adult life and showed no interest in organised religion. Congregationalist Church H. H.