Robert Woodward Hathaway was jure uxoris seigneur of Sark from 1929 until his death. An American by birth, his rule spanned the reigns of four monarchs: George V, Edward VIII, George VI and Elizabeth II.
- Occupation
- military personnel
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- October 20, 1887
- Died
- December 15, 1954