- De Luxemburg
- De Macklot
- De Malbank
- De Malkhozouny
- De Malpas
- de Maltby
- De Mandeville
- De Manners
- De Maresilley
- De Marffy-Mantuana
- De Maria
- Gustavo (b. 23 Sep 1874, d. 27 Dec 1916)
- De Marilac St Julien
- De Marisco
- De Markievicz
- De Marsac
- De Martinoff
- De Mascy
- Hamon (b. abt 1255, d. bet 1279 and 1280)
- Hamon (b. abt 1315, d. aft 1377)
- Thomas (b. abt 1290, d. aft 1336)
- De Massey
- De Massue
- De Mathiesen
- De Mattos
- De Mauley
- De Maumont
- De Medici
- Cosimo (b. 1519, d. 1574)
- Eleanore
- Ferdinand (b. 1549, d. 1609)
- Francesco, (Grand Duke) (b. 25 Mar 1541, d. 19 Oct 1587)
- John (b. 1467, d. 1498)
- John (b. 1498, d. 1526)
- Laurent (b. 1463, d. 1507)
- Lucrezia (b. 1544)
- Marie, (Queen) (b. 26 Apr 1573, d. 3 Jul 1642)
- Piero II L'Infortune (b. 1471, d. 1503)
- Pierre-Francois (b. 1415, d. 1476)
- de' Medici
- Alessandro, Duca di Firenze (b. abt 1512, d. 1537)
- Catherine (b. 13/13 APR 1518/1519, d. 5 Jan 1589)
- Cosimo, II (Grand Duke) (b. 12 May 1590, d. 28 Feb 1621)
- Cosimo, III (Grand Duke) (b. 1642, d. 1723)
- Eleonora (b. 1 Mar 1566, d. 9 Sep 1611)
- Guiliano, (Duke) (b. 1479, d. 1516)
- Ippolito, (Cardinal) (b. bet 1509 and 1511, d. 1535)
- De Meisner
- De Melun
- De Melville
- De Mendoza
- De Mendoza y Rios
- De Mentque
- De Merindol
- De Merlay
- Roger (b. abt 1140, d. abt 1188)
- de Merode-Westerloo
- De Metzser
- De Mevius
- De Meyer
- de Meynell
- De Middlemore
- De Milby
- De Minshull
- De Miremont
- de Mirondo
- De Mitford
- De Mol
- De Mole
- Emilie Louise (b. 1832, d. 1859)
- Ernest Maudslay (b. 1841)
- Fanny Elizabeth (b. 1835, d. 1856)
- Frederick Valentine (b. 1828, d. 1858)
- George Edward (b. 1833, d. 1918)
- Harriet (b. 1796)
- Harriet Jane (b. 1838, d. 1890)
- Henry William (b. 1826, d. 1892)
- Isabel Harriet (b. 1829, d. 1833)
- John Bamber (b. 1798, d. Jan 1845)
- John Stephen (b. 1825, d. 1853)
- Stephen
- Thomas (b. 1831, d. 1831)
- de Moleyns
- Alured (b. 1807, d. 1859)
- Alured Aremberg (b. 3 Mar 1854, d. 25 Mar 1886)
- Christabella (d. 8 Aug 1900)
- Denis John, (Lieut) (b. 1844, d. 1886)
- Edith Agnes
- Edward Alured (b. 1836, d. 1908)
- Edward Charles (b. 1828, d. 1856)
- Eleanor, (Baroness) (b. 11 Jun 1426, d. 1476)
- Eliza (d. 30 Oct 1888)
- Elizabeth, (Hon)
- Emmeline Theodora (d. 1930)
- Frederick Ferriter, (Hon Rev) (b. 1778, d. 30 Dec 1833)
- Frederick William (b. 1804, d. 1854)
- Frederick William (b. 1835, d. 1882)
- Helena Emily (d. 17 Jan 1926)
- Kate Clara
- Richard, (Hon) (b. 1766, d. 1850)
- Rose, (Hon) (d. 21 Apr 1898)
- Rose Blanche
- Rose Gertrude (d. 1869)
- Sarah
- Thomas (b. 1807, d. 1900)
- Thomas Townsend Aremburg (b. Jan 1786, d. 20 Jan 1868)
- Townsend Aremberg (b. 1838, d. 1926)
- William, (Rev) (b. 15 Jul 1806)
- William Townsend (b. 16 Jul 1850, d. 28 May 1900)
- De Monchensy
- De Monchy
- De Montacute
- De Montafié
- De Montagu
- De Montfaucon
- De Montford
- De Montfort
- De Monthermer
- Ralph (b. 1270, d. 5 Apr 1325)
- De Montjoye-Vaufrey et de la Roche
- De Montmolin
- De Montmollin
- Sophie (b. 9 Feb 1809, d. 30 Jan 1854)
- De Montmorency
- De Montmorin Saint-Hérem
- De Montpensier
- De Montpensier Auvergne
- De Montresor
- De Montsallier
- de Mora y Aragon
- Fabiola (b. 11 Jun 1928, d. 5 Dec 2014)
- De Moraes Sarmento
- de Morel Champemonte
- De Morgan
- de Mortimer
- De Mountfort
- De Mountjoy
- De Mowbray
- De Mowbrey
- De Muguiro
- De Nantwiche
- De Narp
- De Nash
- Joan (b. 1429, d. abt 1454)
- De Nassau
- Amelia (d. 1684)
- Elisabeth (b. 1630)
- Frances
- Frederick Henry (b. 28/28 FEB 1583/1584, d. 14/14 MAR 1646/1647)
- Henrietta Catherine (b. 31/31 JAN 1636/1637, d. 4 Nov 1708)
- Henriette Amalia (b. 1628)
- Henry (b. 1641, d. 17 Oct 1708)
- Isabella
- Louise Henriette (b. 1627, d. 1667)
- Luise Juliane (b. 31 Mar 1576, d. 15/15 MAR 1643/1644)
- Maria (b. 5 Sep 1642, d. 17/17 MAR 1687/1688)
- Maurice Of Orange (b. 14 Nov 1567, d. 23 Apr 1625)
- Mauritia
- William (b. 25 Apr 1533, d. 10 Jul 1584)
- William (b. 27 May 1626, d. 6 Nov 1650)
- William, King (b. 14 Nov 1650, d. 8/08 MAR 1701/1702)
- De Nassau-Zuylestein
- De Naucaze
- De Navarre
- De Neergaard
- De Neuflize
- De Newburgh
- De Newsham
- De Nexon
- De Nogaret
- De Normann
- De Norwich
- De Nyst
- De Odingeseles
- De Ogle
- De Olney
- De Oreby
- De Orleans
- Charles (b. 1391, d. 1465)
- Elizabeth, (Duchess) (b. 26 Dec 1646, d. 17 Mar 1696)
- Jean (b. 23 Nov 1402, d. 24 Nov 1468)
- Jean Gaston, (Duke) (b. 17 Aug 1650, d. 10 Aug 1652)
- Jeanne (b. 1409, d. 1432)
- Louis (b. 13/13 MAR 1370/1371, d. 23 Nov 1407)
- Marguerite
- Marguerite Louise (b. 28 Jul 1645, d. 1721)
- Marie Anne (b. 9 Nov 1652, d. 17 Aug 1695)
- Philip Of Vertus
- De Oxton
- de Paolis
- De Paravicini
- De Parthenay
- De Pass
- De Pearsall
- De Peninton
- De Percy
- De Pershall
- Hugh (b. abt 1419, d. 1488)
- De Peshale
- De Peyronnet
- de Peyster
- de Pfyffer Von Altishofen
- De Pierredon
- De Pierres
- de Pina
- De Pinto
- de Pledge
- De Plessitis
- De Ploeuc
- De Ploeuc de Timeur
- De Plumpton
- De Poher de la Poer
- De Poitiers
- De Poix
- De Polignac
- De Pommare
- De Ponthon
- De Portugal
- Alfonso, (Prince) (b. 30 Jul 1390, d. 22 Nov 1400)
- Branca, (Princess) (b. 13 Jul 1388, d. MAR 1388/1389)
- Diniz, (Prince) (b. abt 1406)
- Fernando "The Saint", (Prince) (b. 29 Sep 1402, d. 5 Jun 1443)
- Henrique "The Navigator" (b. 4/04 MAR 1393/1394, d. 13 Nov 1460)
- Isabel, (Duchess) (b. 21/21 FEB 1396/1397, d. 17 Dec 1472)
- Isabel, (Empress) (b. 4 Oct 1503, d. 1 May 1539)
- Isabella, (Queen) (b. 1428, d. 15 Aug 1496)
- Joanna, (Princess) (b. abt 1404)
- Joao, II (b. 13 Jan 1399, d. 18 Oct 1442)
- Leonor, (Princess) (b. abt 1395)
- Pedro, (Prince) (b. 9 Dec 1392, d. 20 May 1449)
- De Portugal & The Algarves
- De Pothonier
- De Poynings
- De Presles
- Jeanne (b. abt 1400, d. abt 1440)
- De Pret-Roose
- De Preville
- De Prusse
- De Puysseleyr
- De Quincey
- De Quincy
- De Rechteren-Limpourg
- Adelheid (b. 1 Feb 1845, d. 25 Jul 1873)
- De Reede-Ginkel
- De Reede-Lynden
- De Reichenbach-Lessonitz
- Pauline (b. 5 Jun 1858, d. 21 Oct 1927)
- de Reidezel
- De Renusson d'Hauteville
- De Requesens
- de Reuter
- De Riberia
- De Richepance
- De Riddlesford
- De Ridware
- De Rieux
- de Rilly
- De Rin
- De Ripart-Monclar
- De Rittich Mauduit
- De Rixton
- De Robeck
- Bernard Edward (b. 31 Dec 1876, d. Feb 1877)
- Bernard Lorenzo, (Lieut) (b. 24 Jun 1898, d. 1957)
- Charles Richard, (Maj) (b. 27 Mar 1871, d. Apr 1930)
- Coralie Annetta Helen Georgina (d. 5 Nov 1879)
- Dermot (b. 1907)
- Dorothy Zoe (b. 1888, d. 1964)
- Emily Anne (d. 20 May 1913)
- Gertrude Elizabeth Mary (b. 1861)
- Henry Edward William (b. 2 Mar 1859, d. aft 1901)
- Joan (b. 1905)
- John Henry Edward (b. 28 Nov 1823, d. 22 Aug 1904)
- John Henry Edward, (Capt) (b. 10 Apr 1895, d. 1965)
- John Michael, (Adml Sir) (b. 10 Jun 1862, d. 20 Jan 1928)
- Michael Charles (b. 27 Sep 1903, d. 1922)
- Muriel Elizabeth (b. 1893, d. 1934)
- Olive Harriet (b. 1890, d. 1966)
- Patrick (b. 1911)
- Richard FitzPatrick (b. 28 Feb 1864, d. 28 Oct 1865)
- William (b. 2 Jan 1868, d. 1868)
- Zoe Anna Judith
- De Rochechouart
- De Rochechouart Mortemart
- De Rochefoucauld
- De Rodakowski
- De Rodakowski-Rivers
- De Roemer
- De Rohan
- De Rohan Chabot
- Olivia (b. 28 Jun 1813, d. 7 Jul 1899)
- De Rohan Gie
- De Rohan-Chabot
- De Rome
- De Romeyn
- De Romont
- Jacques (b. 12 Nov 1450, d. 30 Jan 1486)
- De Roncherolles
- De Roos
- De Ros
- Agnes
- Eleanor (b. 20 Jun 1432)
- Eleanor (b. abt 1440, d. 1487)
- Elizabeth (b. abt 1425)
- Isabel (d. bef 31 Dec 1318)
- Lucia (d. aft 1332)
- Margaret (b. 1298, d. 17 Oct 1357)
- Margaret (b. 1366, d. 3 Sep 1448)
- Margaret (b. 1390, d. 1426)
- Margaret (b. 1432, d. 10 Dec 1488)
- Mary Frances
- Mary Frances FitzGerald (b. 31 Jul 1854, d. 4 May 1939)
- Richard (b. 8 Mar 1429, d. aft 1492)
- Robert (d. 17 May 1285)
- Thomas, (Baron) (b. 26 Sep 1406, d. 18 Aug 1431)
- Thomas, (Baron) (b. 9 Sep 1427, d. 17 May 1464)
- William (d. abt 1264)
- William (d. abt 28 May 1310)
- William (b. abt 1255, d. bef Aug 1316)
- William Baron (d. 1414)
- De Rosnay
- De Rossetti
- De Rothe
- De Rothschild
- De Rottenberg
- De Rottenburg
- De Rougemont
- De Roye
- De Roye De La Rochefoucauld
- De Royer
- De Rubempre
- De Rubempré
- De Rutzen
- De Sa Sottomajor
- De Sablon
- de Sainte Marie
- De Sainte-Maure
- Louise (b. abt 1515, d. aft 1548)
- De Saint-Melanie
- De Saldanha e Lancastre