Line of succession to the former Ottoman throne

According to genealogies of the House of Osman, there would hypothetically be 24 princes now in the line of succession after Dündar I Ali II Osman VI, if the sultanate had not been abolished.^[24][25][26] They are listed as follows; the succession law used is agnatic seniority, with the succession passing to eldest male dynasty.^[27]

•  Mahmud II (1785-1839; 30th Sultan and 23rd Ottoman Caliph: 1808-1839)
  •  Abdulmejid I (1823-1861; 31st Sultan and 24th Ottoman Caliph: 1839-1861)
    •  Murad V (1840-1904; 33rd Sultan and 26th Ottoman Caliph: 1876)
      • Şehzade Mehmed Selaheddin Efendi (1861-1915)
        • Ahmed IV Nihad (1883-1954; 38th Head of the House of Osman: 1944-1954)^[20]
          • Ali I Vâsib (1903-1983; 41st Head of the House of Osman: 1977-1983)^[20]
            • (2) Şehzade Osman Selaheddin Osmanoğlu Efendi (born 1940)^{[24][25][26][27][28][29]}
              • (10) Şehzade Orhan Murad Osmanoğlu Efendi (born 1972)^{[24][25][26][27][28][29]}
                • (18) Şehzade Radeen Rahman Osmanoğlu Efendi (born 2004)^{[24][25][26][29]}
                • (19) Şehzade Turan Cem Osmanoğlu Efendi (born 2004)^{[24][25][26][29]}
              • (15) Şehzade Selim Süleyman Osmanoğlu Efendi (born 1979)^{[24][25][26][27][29]}
                • (20) Şehzade Batu Bayezid Osmanoğlu Efendi (born 2008)^{[24][25][26][29]}
        • Osman IV Fuad (1895-1973; 39th Head of the House of Osman: 1954-1973)^[20]
    •  Abdul Hamid II (1842-1918; 34th Sultan and 27th Ottoman Caliph: 1876-1909)
      • Şehzade Mehmed Selim Efendi (1870-1937)^{[30][user-generated source?]}
        • Şehzade Mehmed Abdülkerim Efendi (1906-1935)^{[30][user-generated source?]}
          • Dündar I Ali II Osman VI Osmanoğlu (born 1930: 45th Head of the House of Osman: 2017–)^{[24][25][26][27][28][29]}
          • (1) Şehzade Harun Osmanoğlu Efendi (born 1932)^{[24][25][26][27][28][29]}
            • (8) Orhan Osmanoğlu (born 1963)^{[24][25][26][27][29]}
              • (17) Şehzade Yavuz Selim Osmanoğlu Efendi (born 1989)^{[24][25][26][27][29]}
            • (14) Şehzade Abdulhamid Kayıhan Osmanoğlu Efendi (born 1979)^{[24][25][26][27][29]}
              • (21) Şehzade Muhammed Harun Osmanoğlu Efendi (born 2007)^[24][25][26]
              • (24) Şehzade Abdülaziz Osmanoğlu Efendi (born 2016)^[24][25][26]
      • Şehzade Mehmed Abdülkadir Efendi (1878-1944)^{[30][user-generated source?]}
        • Mehmed Orhan II (1909-1994; 42nd Head of the House of Osman: 1983-1994)^[22]
        • Şehzade Necib Ertuğrul Efendi (1914-1994)^{[30][user-generated source?]}
          • (5) Şehzade Roland Selim Kadir Efendi (born 1949)^{[24][25][26][27][29]}
            • (12) Şehzade René Osman Abdul Kadir Efendi (born 1975)^{[24][25][26][27][29]}
            • (13) Şehzade Daniel Adrian Hamid Kadir Efendi (born 1977)^{[24][25][26][27][29]}
      • Şehzade Mehmed Burhaneddin Efendi (1885-1949)^{[30][user-generated source?]}
        • Ertuğrul II Osman V Osmanoğlu (1912-2009; 43rd Head of the House of Osman: 1994-2009)^[21]
    •  Mehmed V Reşâd (1844-1918; 35th Sultan and 28th Ottoman Caliph: 1909-1918)
      • Şehzade Mehmed Ziayeddin Efendi (1873-1938)^{[30][user-generated source?]}
        • Şehzade Mehmed Nazim Efendi (1910-1984)^{[30][user-generated source?]}
          • Şehzade Cengiz Nazim Efendi (1939-2015)^[31]
            • (9) Şehzade Eric Mehmed Ziyaeddin Nazim Efendi (born 1966)^{[24][25][26][29]}
          • (4) Şehzade Mehmed Ziyaeddin Efendi (born 1947)^{[24][25][26][28][29]}
            • (16) Şehzade Nazım Ziyaeddin Nazım Osmanoğlu Efendi (born 1985)^{[24][25][26][29]}
      • Şehzade Ömer Hilmi Efendi (1886-1935)^{[30][user-generated source?]}
        • Şehzade Mahmud Namik Efendi (1913-1963)^{[30][user-generated source?]}
          • (3) Şehzade Ömer Abdülmecid Osmanoğlu Efendi (born 1941)^{[24][25][26][29]}
            • (11) Şehzade Francis Mahmud Namık Osmanoğlu Efendi (born 1975)^{[24][25][26][29]}
              • (22) Ziya Reşad Osmanoğlu (born 2012)^[32]
              • (23) Şehzade Cem Ömer Osmanoğlu Efendi (born 2015)^{[24][25][26][29]}
    • Şehzade Mehmed Burhaneddin Efendi (1849-1876)^{[30][user-generated source?]}
      • Şehzade Ibrahim Tewfik Efendi (1874-1931)^{[30][user-generated source?]}
        • Burhaneddin Cem (1920-2008)^{[30][user-generated source?]}
          • (6) Şehzade Selim Djem Efendi (born 1955)^{[24][25][26][27][29]}
        • Bayezid III Osman Osmanoğlu (1924-2017; 44th Head of the House of Osman: 2009-2017)^[23]
    •  Mehmed VI Vahideddin (1861-1926; 36th and last Sultan and 29th Ottoman Caliph: 1918-1922; 36th Head of the House of Osman: 1922-1926)^[20]
  •  Abdülaziz I (1830-1876; 32nd Sultan and 25th Ottoman Caliph: 1861-1876)
    • Abdulmejid II (1868-1944; 30th and last Ottoman Caliph: 1922-1924; 37th Head of the House of Osman: 1926-1944)^[20]
    • Şehzade Mehmed Şevket Efendi (1872-1899)^{[30][user-generated source?]}
      • Şehzade Mehmed Celaleddin Efendi (1890-1946)^{[30][user-generated source?]}
        • Şehzade Sadeddin Efendi (1917-1986)^{[30][user-generated source?]}
          • (7) Şehzade Orhan İbrahim Süleyman Saadeddin Efendi (born 1959)^{[24][25][26][27][29]}
    • Şehzade Mehmed Seyfeddin Efendi (1874-1927)^{[30][user-generated source?]}
      • Mehmed Abdulaziz II (1901-1977; 40th Head of the House of Osman: 1973-1977)^[20]

Line of succession in November 1922

•  Mahmud II (1785-1839; 30th Sultan and 23rd Ottoman Caliph: 1808-1839)
  •  Abdulmejid I (1823-1861; 31st Sultan and 24th Ottoman Caliph: 1839-1861)
    •  Murad V (1840-1904; 33rd Sultan and 26th Ottoman Caliph: 1876)
      • Şehzade Mehmed Selaheddin Efendi (1861-1915)
        • (8) Şehzade Ahmed Nihad Efendi (born 6 July 1883)
          • (19) Şehzade Ali Vâsib Efendi (born 14 October 1903)^[20]
        • (14) Şehzade Osman Fuad Efendi (born 26 September 1895)^[20]
    •  Abdul Hamid II (1842-1918; 34th Sultan and 27th Ottoman Caliph: 1876-1909)
      • (2) Şehzade Mehmed Selim Efendi (born 11 January 1870)
        • (23) Şehzade Mehmed Abdülkarim Efendi (born 27 June 1906))^{[30][user-generated source?]}
      • (6) Şehzade Mehmed Abdülkadir Efendi (born 16 January 1878)
        • (25) Şehzade Mehmed Orhan Efendi (born 11 July 1909)^[22]
        • (32) Şehzade Necib Ertuğrul Efendi (born 1914 (or 27 March 1915))^{[30][user-generated source?]}
        • (34) Şehzade Alaeddin Kadir Efendi (born 2 January 1917)^{[citation needed]}
      • (7) Şehzade Mehmed Ahmed Nuri Efendi (born 12 February 1878)^{[citation needed]}
      • (9) Şehzade Mehmed Burhaneddin Efendi (born 19 December 1885)^{[30][user-generated source?]}
        • (27) Şehzade Mehmed Fakhreddin Efendi (born 14 November 1911)^{[citation needed]}
        • (28) Şehzade Ertuğrul Osman Efendi (born 18 August 1912)^[21]
      • (12) Şehzade Abdur Rahim Hayri Efendi (born 15 August 1894)^{[citation needed]}
      • (16) Şehzade Ahmed Nureddin Efendi (born 22 June 1901)^{[citation needed]}
      • (22) Şehzade Mehmed Abid Efendi (born 17 September 1905)
    •  Mehmed V Reşâd (1844-1918; 35th Sultan and 28th Ottoman Caliph: 1909-1918)
      • (3) Şehzade Mehmed Ziayeddin Efendi (born 26 August 1873)
        • (26) Şehzade Mehmed Nazim Efendi (born 26 October 1910)^{[citation needed]}
        • (30) Şehzade Ömer Fawzi Efendi (born 13 November 1912)^{[citation needed]}
      • (10) Şehzade Ömer Hilmi Efendi (born 2 March 1888)
        • (31) Şehzade Mahmud Namik Efendi (born 1913 (or 25 February 1914))^{[30][user-generated source?]}
    • Şehzade Mehmed Burhaneddin Efendi (1849-1876)^{[30][user-generated source?]}
      • (5) Şehzade Ibrahim Tewfik Efendi (born 25 September 1874)^{[citation needed]}
        • (36) Şehzade Burhaneddin Cem Efendi Efendi (born 1920)^{[30][user-generated source?]}
    • Şehzade Selim Süleyman Efendi (1860-1909)^{[citation needed]}
      • (13) Şehzade Mehmed Abdul-Halim Efendi (born 28 September 1894)^{[citation needed]}
      • (20) Şehzade Damad Mehmed Cerifeddin Efendi (born 19 May 1904)^{[citation needed]}
    •  Mehmed VI Vahideddin (born 2 February 1861)^[20]
      • (29) Şehzade Mehmed Ertuğrul Efendi (born 10 September 1912)^{[citation needed]}
  •  Abdülaziz I (1830-1876; 32nd Sultan and 25th Ottoman Caliph: 1861-1876)
    • Şehzade Yusef Izzeddin Efendi (1857-1916)^{[citation needed]}
      • (24) Şehzade Mehmed Nizameddin Efendi (born 18 December 1908)^{[citation needed]}
    • (1) Devletlû Najabatlu Veli Ahd-i Saltanat Şehzade-i Javanbahd Abdulmejid II (born 29 May 1868)
      • (15) Şehzade Ömer Faruk Efendi (born 29 February 1898)^{[citation needed]}
    • Şehzade Mehmed Şevket Efendi (1872-1899)^{[30][user-generated source?]}
      • (11) Şehzade Mehmed Celaleddin Efendi (born 1890 (or 1 March 1891))^{[30][user-generated source?]}
        • (33) Şehzade Mahmud Hushameddin Efendi (born 25 August 1916)^{[citation needed]}
        • (35) Şehzade Süleyman Sadeddin Efendi (born 20 November 1917)^{[30][user-generated source?]}
    • (4) Şehzade Mehmed Seyfeddin Efendi (born 22 September 1874)^{[citation needed]}
      • (17) Şehzade Mehmed Abdulaziz Efendi (born 26 September 1901)^[20]
      • (18) Şehzade Mahmud Shavkat Efendi (born 30 July 1903)^{[citation needed]}
      • (21) Şehzade Ahmed Davut Efendi (born 2 December 1904)^{[30][user-generated source?]}