Se casó con Mary Wyndham, hija de George Wyndham, tercer conde de Egremont, el 18 de octubre de 1819. los padres de siete hijos. FitzClarence se suicidó el 20 de marzo de 1842 a la edad de 48 años en Londres. Se disparó con una pistola que le regaló el rey Jorge IV cuando era Príncipe de Gales. Enlace a la biografía de Wikipedia. Relaciones
Captain Hon George FitzClarence (15 April 1836 – 24 March 1894); married Maria Henrietta Scott (d. 1912), had issue,  including Charles FitzClarence. Grandfather of the 6th Earl of Munster and great-grandfather of the 7th (and last) Earl.
George Augustus Frederick FitzClarence, 1st Earl of Munster PC (29 January 1794 – 20 March 1842), was the eldest natural son of William IV of the United Kingdom and his long-time mistress Dorothy Jordan.
George Augustus Frederick FitzClarence, 1st Earl of Munster, 1st Viscount FitzClarence, 1st Baron Tewkesbury, was born 29 January 1794 to William IV of the United Kingdom (1765-1837) and Dorothy Bland (1761-1816) and died 20 March 1842 London, England, United Kingdom of suicide by pistol shot. He married Mary Wyndham (1792-1842) 18 October 1819 .
Jorge Augusto FitzClarence (29 de enero de 1794 - 20 de marzo de 1842), creado 1. er conde de Munster; casado con María Wyndham. Sofía FitzClarence (4 de marzo de 1795 - 10 de abril de 1837), casada con Felipe Sidney, Barón de l'Isle y Dudley. Enrique Edmundo FitzClarence (8 de marzo de 1797 - septiembre de 1817).
About George FitzClarence, 1st Earl of Munster. "George Augustus Frederick FitzClarence, 1st Earl of Munster PC (29 January 1794 – 20 March 1842), was the eldest natural son of William IV of the United Kingdom and his long-time mistress Dorothy Jordan. Like his siblings, he had little contact with his mother after his parents separated in ...
hace 2 días · George FitzClarence, Earl of Munster committed suicide at the age of 48 in London. He is reported to have shot himself with a pistol presented to him by his uncle King George IV when he was Prince of Wales. His family had long been concerned about his mental condition; which had been attributed to "a paranoiac sense of persecution."