Princess Marie Louise of Schleswig-Holstein Princess Marie Louise of Schleswig-Holstein Princess Marie Louise of Schleswig-Holstein (Franziska Josepha Louise Augusta Marie Christina Helena; 12 August 1872 – 8 December 1956) was a granddaughter of Queen Victoria. Princess Marie Louise was born at Cumberland Lodge, in Windsor Great Park. Her father was Prince Christian of Schleswig-Holstein, the third son of Duke Christian of Schleswig-Holstein and Countess Louise of Danneskjold-Samsøe. Her mother was Princess Helena, the fifth child and third daughter of Queen Victoria and Prince Albert of Saxe-Coburg-Gotha. She was baptized on 18 September 1872. Her godparents were Emperor Franz Joseph of Austria and Queen Marie of
Helena Kantakouzene, Empress of Trebizond Helena Kantakouzene, Empress of Trebizond Helena Kantakouzene (died 1463) was the second wife of David of Trebizond. She was the last Empress of Trebizond. Donald Nicol has argued that Helena was the sister of George Palaiologos Kantakouzenos, and thus the granddaughter of Matthew Kantakouzenos and possibly the daughter of Demetrios I Kantakouzenos. Theodore Spandounes reports that George visited her in Trebizond after 1437. It is unclear which of David's children were also hers; his five children—three boys and two daughters—have been attributed variously to Helena or David's first wife Maria of Gothia by various genealogies. Nevertheless, the oldest sons died