- Ossulston
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10th Baron, of Ossulston, co. Middlesex (Charles Augustus Grey) b. 28 Jul 1921, d. 27 Apr 198011th Baron, of Ossulston, co. Middlesex (Peter Grey) b. 18 Oct 19561st Baron (John) b. 5 Jul 1616, d. 11 Feb 1694/952nd Baron, of Ossulston, co. Middlesex (Charles) b. c 1674, d. 21 May 17223rd Baron, of Ossulston, co. Middlesex (Charles) b. 21 Dec 1697, d. 14 Mar 17534th Baron, of Ossulston, co. Middlesex (Charles) b. 6 Sep 1716, d. 27 Oct 17675th Baron, of Ossulston, co. Middlesex (Charles) b. 15 Nov 1743, d. 10 Dec 18226th Baron, of Ossulston, co. Middlesex (Charles Augustus) b. 28 Apr 1776, d. 25 Jun 18597th Baron, of Ossulston, co. Middlesex (Charles Augustus) b. 10 Jan 1810, d. 18 Dec 18998th Baron, of Ossulston, co. Middlesex (George Montagu) b. 30 Mar 1852, d. 9 Jul 19319th Baron, of Ossulston, co. Middlesex (Charles Augustus Ker) b. 16 Aug 1897, d. 1 Dec 1971Baroness (Mary) d. 31 May 1710Lord (Charles) b. 31 Dec 1850, d. 29 Jun 1879
- Osten
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Cecilie Felicitas Katherina Sophie von der b. 12 Mar 1967Dinnies Karl Friedrich von der b. 21 May 1929Dinnies Wilhelm Karl Alexander von der b. 15 Feb 1962, d. 28 Jun 1989Friederike Thyra Marion Wilhelmine Dorothea von der b. 14 Jul 1959Hubertus Christoph Joachim Friedrich von der b. 5 May 1964
- Osten-Sachsen
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unknown d' b. 1958
- Osten-Sacken
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Angelika Gräfin von b. 1802, d. 1852
- Ostenburg
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Alexandra, Countess von Ostenburg b. 4 Jun 1864, d. 23 Jul 1952Countess of (Alexandra) b. 4 Jun 1864, d. 23 Jul 1952Countess of (Olga) b. May 1868, d. 1874Countess of (Vera) b. 4 Jun 1871, d. 1887Countess von (Maria) b. 8 Jul 1845, d. 10 Mar 1907Olga, Countess von Ostenburg b. May 1868, d. 1874Vera, Countess von Ostenburg b. 4 Jun 1871, d. 1887
- Ostendorf
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Rainer d. b 2007
- Oster
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Renée b. 1919
- Ostergau
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unknown vom d. b 882
- Osterman
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Jennifer Joan b. 1982Michael Alexander b. 1979Patricia Anne b. 1 Apr 1942Stephen Bradley b. 1980
- Osterode
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Adelheid von b. c 1341Agnes von d. a 5 Feb 1394Anna II von d. a 1437Anna von b. c 1343, d. a 1408Ernst Graf von b. c 1297, d. 11 Mar 1361Ernst von b. c 1297, d. 11 Mar 1361Ernst von b. c 1346, d. b 21 May 1402Friedrich Graf von b. c 1350, d. 4 May 1421Friedrich von b. c 1350, d. 4 May 1421Johann von b. c 1340, d. 18 Jan 1401Otto Graf von b. c 1396, d. bt 6 Jan 1452 - 16 Apr 1452Otto von b. c 1337Otto von b. c 1396, d. bt 6 Jan 1452 - 16 Apr 1452
- Osterstom
- Ostfriesland
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Anna von b. 26 May 1562, d. 21 Apr 1621Christian Eberhard Prinz von b. 1 Oct 1665, d. 30 Jun 1708Edzard II Graf von b. 24 Jun 1532, d. 1 Mar 1599Elisabeth Gräfin von b. 1531, d. 1558Enno August von b. 13 Feb 1697, d. 3 Aug 1725Enno II Graf von b. c Aug 1505, d. 24 Sep 1540Enno III Graf von b. 30 Sep 1563, d. 19 Aug 1625Ferdinand Maximilian von b. 8 May 1653, d. 10 Jun 1687Friedrich Ulrich von b. 31 Dec 1667, d. 13 Mar 1710Georg Albrecht Fürst von b. 1690, d. 1734Georg Christian Prinz von b. 6 Feb 1634, d. 6 Jun 1665Graf von (Edzard II) b. 24 Jun 1532, d. 1 Mar 1599Graf von (Enno II) b. c Aug 1505, d. 24 Sep 1540Graf von (Enno III) b. 30 Sep 1563, d. 19 Aug 1625Hebe Gräfin von b. 1457, d. 1476Hedwig von d. 4 Dec 1616Juliane Luise von b. 13 Jun 1698, d. 6 Feb 1740Karl Edzard Prinz von b. 18 Jun 1716, d. 25 May 1744Marie Charlotte von b. 10 Apr 1689, d. 9 Dec 1761Marie von b. 1 Jan 1582, d. 9 Jul 1616Prinz von (Christian Eberhard) b. 1 Oct 1665, d. 30 Jun 1708Sofie Karoline von b. 1705, d. 7 Jun 1764Ulrich II Prinz von b. 6 Jul 1605, d. 1 Nov 1648
- Ostfriesland-Rietberg
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Maria Leopoldina Catharina von d. 6 May 1718
- Ostheim
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Alexander Kyrill Graf von b. 7 Aug 1922, d. 28 Mar 1943Alexander Kyrill William Hermann Nicholas Wettin von b. 7 Aug 1922, d. 28 Mar 1943Graf von (Alexander Kyrill) b. 7 Aug 1922, d. 28 Mar 1943Graf von (Hermann Karl) b. 14 Feb 1886, d. 6 Jun 1964Hermann Karl Graf von b. 14 Feb 1886, d. 6 Jun 1964Hermann Karl von b. 14 Feb 1886, d. 6 Jun 1964
- Ostheimer
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Erika b. 5 Apr 1956
- Ostle
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Mary d. 14 May 1873
- Ostler
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Dorice d. 1976
- Ostman von der Leye
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Clemens Baron b. 1925Eleonore Baronin b. 24 Oct 1923Poswitha Lucia b. 1936, d. 1984
- Ostmark
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Adelheid von b. c 1040, d. c 1071Dedi II Markgraf von b. bt 1013 - 1016, d. c Oct 1075Dedi II von b. bt 1013 - 1016, d. c Oct 1075Dietrich II Markgraf von d. 19 Nov 1034Dietrich II von d. 19 Nov 1034Friedrich von d. 18 Apr 1084Ida von b. c 1031
- Ostoja-Maryiski
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Florence Georgina d. 18 Apr 1922Jules Pierre Thomas Arthur (Count) d. 22 Apr 1888
- Ostrander
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Robyn Johanna b. 9 Aug 1991Susan Kathleen b. 19 Sep 1967
- Ostrehan
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Sybil Christiana d. 17 Feb 1945
- Ostrogoths
- Ostrorog
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Anne b. 1923Jan b. 1896, d. 1975Maria de los Angelos b. 1895, d. 1964
- Ostrowska
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Helena d. 1943
- Ostwald
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Christian Mark Sebastian b. 20 May 1962Diana b. 4 Jan 1941Kitty Annabel Kelly b. 13 Nov 1993Lewis George b. 25 May 1997Samuel Thomas b. 21 Feb 1996
- Osuna y de Infantado
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Mariano Francisco de Borja Jose Justo de b. 19 Jul 1814, d. 2 Jun 1882
- Osuna
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Duke of (Pedro) b. 29 Jul 1537, d. 13 Nov 1590
- Oswald
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Alexander Haldane of Auchincruive b. 1811, d. 1868Alice Priscilla Lyle b. 31 Aug 1966Angela Mary Rose b. 21 May 1938Anne b. 7 Sep 1698, d. 29 Mar 1762Anne Page d. 1990Catherine b. 1825Catherine Cochrane d. 14 Jun 1843Charlotte d. 27 Feb 1827Christiane von b. 1971Clara d. 1945David b. 1936Duncan b. 1967Edith Mary d. 27 Jul 1930Elizabeth d. 1 Apr 1860Elizabeth d. 1836Elizabeth d. 1727Elizabeth b. c 1699, d. 20 Sep 1779Elizabeth b. 17 Aug 1793, d. b 10 May 1823Elizabeth Charlotte d. 13 Feb 1930Elizabeth Louisa d. 8 Aug 1870Emily b. 3 Sep 1816, d. 13 Nov 1902Fingal b. 1998Frances Jemima d. 22 Dec 1891Gabriele von b. 1959Hector b. 2000Henry Murray d. 18 Aug 1911Henry Robert d. 11 Mar 1940Io b. 2003Isobel b. 1614Isobel b. 1652Isobel b. 28 Sep 1677, d. Nov 1732James b. c 1650, d. 1715James b. 1715, d. 24 Mar 1769James b. 31 May 1848, d. 17 Dec 1865James b. 1967James (Captain) b. 1685, d. 1726James Gordon d. 3 Jan 1897Jean d. 21 Nov 1907Johann-Christoph von b. 1925, d. 1982Johanna von b. 1935John b. 2 Oct 1771, d. 6 Jun 1840John b. 1857, d. 1930Joseph b. 1996Juliet Marie-Therese b. 1940Katharine Davina Mary b. 19 Mar 1959Lara Katharine b. 8 Dec 1999Lilias d. 10 Sep 1845Louisa Elizabeth Frederica b. 26 Jun 1815, d. 20 Oct 1858Lucy Frances b. 17 Jul 1997Lyle b. 1999Madeline von b. 1961Magnus b. 2003Margaret Hester d. 15 Nov 1855Maria Gabriela von b. 1964Maria-Angela d. 1983Marina Charlotte b. 23 Mar 1996Mary d. 11 Oct 1851Mary b. 4 May 1799, d. 11 Jan 1886Mary Hannah d. 24 Oct 1916Mary Ramsay b. 15 Mar 1780Maude b. 1849Michael b. 21 Apr 1934, d. 17 Apr 2021Nicole von b. 1963Nina Louisa b. 1866Pauline b. 1851, d. 1902Peter C. P. b. 1965Peter David Hamilton b. 1936Richard Alexander d. 13 Apr 1921Richard Alexander b. 17 Feb 1771, d. 19 Jun 1841Richard Alexander b. 30 Apr 1782, d. 1821Richard, younger of Auchincruive d. 9 Jan 1834stillborn son b. 20 Oct 1850, d. 20 Oct 1850William Alexander Michael b. 26 May 1962William Richard Michael b. 21 Apr 1934, d. 17 Apr 2021Yvonne b. 1958Yvonne von b. 1958Zandra b. 1962