text: The Princess Louise ( born Louise Caroline Alberta , also known as Marchioness of Lorne and Duchess of Argyll by marriage ; 18 March 1848 â `` 3 December 1939 ) was a member of the British Royal Family , the sixth child and fourth daughter of Queen Victoria and her husband , Albert , Prince Consort .
simplified: The Princess Louise ( Louise Caroline Alberta : Marquess of Lorne and Duchess of Argyll by marriage ; 18 March 1858 -- 3 December 1939 ) was the fourth daughter of Queen Victoria and Prince Albert .