Princess Helena of the United Kingdom her family to celebrate her 50th wedding anniversary, but her husband died a year later. Helena outlived him by six years, and died aged 77 at Schomberg House on 9 June 1923. Helena was born at Buckingham Palace, the official royal residence in London, on 25 May 1846, the day after her mother's 27th birthday. She was the third daughter and fifth child of the reigning British monarch, Queen Victoria, and her husband Prince Albert of Saxe-Coburg and Gotha. Albert reported to his brother, Ernest II, the Duke of Saxe-Coburg and Gotha, that Helena "came into this world quite blue,
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