Ernst August Duke of Cumberland was born on September 21, 1845 in Hannover, Germany. He was married to Prinsesse Thyra. He died on November 14, 1923 in Gmunden, Germany.
Father of Princess Marie Louise (1879-1948), Prince George William (1880-1912), Princess Alexandra (1882-1963), Princess Olga (1884-1958), Prince Christian (1885-1901) and Prince Ernest Augustus of Hannover and Cumberland (1887-1953).
Brother of Princess Frederica of Hannover (1848-1926) and Princess Marie of Hannover (1849-1904).
Son of King George V of Hannover (1819-1878) and his wife, Princess Marie of Saxe-Altenburg (1818-1907).