Alastair Arthur Windsor, 2nd Duke of Connaught and Strathearn was a member of the British Royal Family. He was the only child of Prince Arthur of Connaught and Princess Alexandra, 2nd Duchess of Fife. He was a great-grandson of Queen Victoria through his father and a great-great-grandson of Queen Victoria through his mother. He was also a descendant of Victoria's paternal uncle and predecessor, William IV, through an illegitimate line.

Prince Arthur of Connaught was a British military officer and a grandson of Queen Victoria. He served as Governor-General of the Union of South Africa from 20 November 1920 to 21 January 1924.