Her mother was Princess Helena of the United Kingdom, the fifth child and third daughter of Queen Victoria and Prince Albert of Saxe-Coburg-Gotha.

[citation needed] Her parents resided in the United Kingdom, and the Princess was considered a member of the British royal family.

[citation needed] She was a bridesmaid at the 1885 wedding of her maternal aunt Princess Beatrice, to Prince Henry of Battenberg.

[1] On 6 July 1891, Princess Marie Louise married Prince Aribert of Anhalt (18 June 1866 – 24 December 1933) at St. George's Chapel in Windsor Castle.

[2] Prince Aribert was the third son of Frederick I, Duke of Anhalt, and his wife, Princess Antoinette of Saxe-Altenburg.

Princess Marie Louise, on an official visit to Canada at the time, immediately returned to Britain.

She died at her London home, 10 Fitzmaurice Place, Berkeley Square, a few months later on 8 December 1956 and is buried at the Royal Burial Ground, Frogmore at Windsor Great Park.