He served as naval aide - de-camp to Queen Victoria .
Admiral Francis Erskine Loch ( 1788 -- 1868 ) was a senior commander in the Royal Navy during the early 19th century .
Francis Erskine Loch served as naval aide - de-camp to Queen Victoria .
Admiral Francis Erskine Loch ( 1788 -- 1868 ) was a senior commander in the Royal Navy during the early 19th century .