Alma Vetsera Hayne (1890–1919) was a New York City socialite who passed herself off as the daughter of Rudolf, Crown Prince of Austria and Baroness Mary Vetsera and called herself Princess Vetsera of Austria. She claimed her son, Charles Rudolph Spurway Hayne (1899-1983), was heir to the Austro-Hungarian throne.
Her first husband was George Osborne Hayne (1875-1950). She married Donald Shields Andrews (1894-1930) on April 24, 1915. [1] [2] [3] She married Sebastian Cedric Samuel Steane in London on 30 August 1919. She took her own life with poison on 12 November 1919 after attending the second victory ball for the end of World War I. [4]
Shields Andrews, an inorganic chemist, would take his own life with poison in 1930 in Fair Haven, New Jersey. He had been working on a process to make synthetic gemstones. [4]
Alma Mahler-Werfel was an Austrian composer, author, editor, and socialite. Musically active from her early years, she was the composer of nearly fifty songs for voice and piano, and works in other genres as well. 17 songs are known to have survived. At 15, she was mentored by Max Burckhard.
Rudolf, Crown Prince of Austria was the only son and third child of Emperor Franz Joseph I of Austria and Duchess Elisabeth of Bavaria (Sisi). He was heir apparent to the imperial throne of the Austro-Hungarian Empire from birth. In 1889, he died in a suicide pact with his mistress Mary Vetsera at the Mayerling hunting lodge. The ensuing scandal made international headlines.

Baroness Marie Alexandrine "Mary" von Vetsera was an Austrian noblewoman and the mistress of Rudolf, Crown Prince of Austria. Vetsera and the crown prince were found dead at his hunting lodge in Mayerling on 30 January 1889, following an apparent murder-suicide, which is known as the Mayerling incident.
Archduchess Gisela Louise Marie of Austria Princess of Hungary, Princess of Bohemia, Princess of Galicia and Lodomeria, Princess of Croatia, Slavonia and Dalmatia was the second daughter and eldest surviving child of Emperor Franz Joseph I and Empress Elisabeth of Austria. She became a Princess of Bavaria through her marriage to her second cousin, Leopold.
Countess Marie Louise Larisch von Moennich was a niece and lady-in-waiting of Empress Elisabeth of Austria. She was implicated in the Mayerling Incident which resulted in the death of her married cousin Crown Prince Rudolf and his mistress Baroness Mary Vetsera, who was also her friend. She published several books with a ghostwriter about the Imperial household.
Anna Quirentia Nilsson was a Swedish-American actress who achieved success in American silent movies.
Carmel Myers was an American actress who achieved her greatest successes in silent film.
Julia Faye Maloney, known professionally as Julia Faye, was an American actress of silent and sound films. She was known for her appearances in more than 30 Cecil B. DeMille productions. Her various roles ranged from maids and ingénues to vamps and queens.
Grace Darmond was a Canadian-American actress.
The Mayerling incident is the series of events surrounding the apparent murder–suicide pact of Rudolf, Crown Prince of Austria, and his lover, baroness Mary Vetsera. They were found dead on 30 January 1889 in an imperial hunting lodge in Mayerling. Rudolf, who was married to Princess Stéphanie of Belgium, was the only son of Emperor Franz Joseph and Empress Elisabeth, and was heir apparent to the throne of Austria-Hungary.

Mayerling is a 1936 French historical drama film directed by Anatole Litvak and produced by Seymour Nebenzal from a screenplay by Marcel Achard, Joseph Kessel, and Irma von Cube, based on the 1930 novel Idyll's End by Claude Anet.
Olive Tell was a stage and screen actress from New York City.
Claire McDowell was an American actress of the silent era. She appeared in 350 films between 1908 and 1945.
Vera Lewis was an American film and stage actress, beginning in the silent film era. She appeared in more than 180 films from 1915 to 1947. She was married to actor Ralph Lewis.
Alma Hanlon was an American silent film actress. Hanlon's film career was short, lasting only four years. She appeared in twenty-three films. Her first film role was as Dorothy Dare in The Fixer (1915) and her last was in The Profiteer (1919).

Archduchess Isabella Maria Theresia Christine Eugenie of Austria-Teschen was a daughter of Archduke Friedrich, Duke of Teschen and his wife, Princess Isabella of Croÿ. She was a member of the House of Habsburg-Lorraine.
Blanche L. Friderici was an American film and stage actress, sometimes credited as Blanche Frederici.
Edward Henry Delafield was a Connecticut politician and prominent landowner.
Alma M. Sanders was an American songwriter and composer of popular music, including several Broadway musicals, with her composer husband, Monte Carlo.

Elisabeth Worth Muller was an American suffragist.
He married Alma V. Hayne at Mamaroneek, N. Y., on April 24, against the wishes of his parents ...
Through the medium of a news agency Mrs. Donald Shields Andrews, formerly the wife of George Osborn Hayne, who said she was a daughter of Crown Prince Rudolph of Austria-Hungary, notified the newspapers last evening that she was sailing this Wednesday on the New Amsterdam for "the British battle front" to nurse soldiers.