Osman Ertugrul Osmanoglu, who died on 23 September aged 97, was the eldest member of the former Ottoman dynasty. He was the last surviving grandson of an Ottoman sultan and regarded as the head of the living members of the dynasty. He would eventually have become its sultan but for the establishment of the Turkish Republic in 1923.
Born in 1912, Osmanoglu moved to New York in 1933, and married Zeynep Tarzi, an exiled member of the Afghan royal family. He returned to Turkey in 1992 and was granted citizenship in 2004.