Rukiye Sabiha Sultan’s wedding day in 1920, left to right: Fatma Ulviye Sultan, Ayşe Hatice Hayriye Dürrüşehvar Sultan, Emine Nazikeda Kadınefendi, Rukiye Sabiha Sultan, Mehmed Ertuğrul Efendi, Şehsuvar Hanımefendi.
The Ottoman dynasty (Turkish: Osmanlı Hanedanı) (or the Imperial House of Osman) ruled the Ottoman Empire from 1299 to 1922. The dynasty began in northwestern Anatolia with the Oghuz Turkish chieftain Osman I, but it was not recognized until 1383 when his grandson Murat I officially declared himself sultan. The dynasty might have been known as the 'Beylik of Söğüt' before 1383, but it was later renamed Osmanlı (Ottoman in English) in honor of Osman I.
The sultan was the sole ruler of the empire. Actual power often shifted to officials, such as the Grand Vizier, an office that eventually became Prime Minister and head of Parliament.
(Şehzade) Mahmud Şevket (Efendi Hazretleri) (1903, Istanbul - 1973, France) was expelled and deprived of the title of Prince and the style of His Highness from the Imperial House of Osman by His Imperial Majesty, the last Caliph Abdülmecid II. in 1931. He d. in France 1973, having had issue:
(a) HIH Princess Hamide Nermin Nezahat Sultana [1923 - 1998] by Adile Hanimsultan, a granddaughter of Abdülhamid II.
Excluded from the line of sucssession
Mehmed Selim Orhan, (born in Paris, 3. October 1943 - 17. May 1998, descendant of Abdul Hamid II through Mehmed VII Orhan), deprived since birth of title HIH Şehzade, because he was born before his parents married in 1944.