- De Laborde
- De Labrosse
- De Lacey
- De Lacy
- De Lafont
- De Lalaing
- de Lambert
- de Lambton
- De Lancastro
- De Lancey
- De Lancy
- de Landers
- De Langen
- De Langue
- De Lannoy
- De Lapasture
- De Lapenotiere
- De Laporte
- De Las Casas
- de las Mercedes González de Candamo y Iriarte
- María (b. 24 May 1849, d. 2 Aug 1929)
- De Laski
- De Lasteyrie
- de Laszlo
- De Lathom
- de Latour
- De Laureal
- Celeste (b. 10 Sep 1839, d. 1 Nov 1920)
- De Lauret
- de Lautour
- De Laval
- De Lazales
- De Le Mare
- De Lea
- De Legh
- de les Derniers
- De Leva
- De Levante
- De Levington
- De Lewis
- Hester (b. 1742, d. 27 Jan 1829)
- De Leyburn
- Idonia (d. aft 15 Apr 1322)
- Philip (d. bet 1166 and 1181)
- Robert (d. abt 1199)
- Roger (b. bef 1193, d. abt 1251)
- Roger (b. abt 1220, d. Oct 1274)
- William (b. bef 1242, d. BEF 12/12 MAR 1309/1310)
- De Leyden
- De Ligne
- De Ligondes
- De Limesi
- De Lippe biesterfield
- De Lippe-Biesterfield
- Adelheid (b. 14 Oct 1884, d. 9 Mar 1961)
- De Lisle
- De Longespee
- Ela (d. abt 22 Nov 1299)
- Ida (d. aft 10 Apr 1262)
- William (d. 1250)
- William (b. bef 1173, d. 7/07 MAR 1197/1198)
- De Longueville
- De Longvy
- De Longwy
- De Lorraine
- Anna, (Princess) (b. 25 Jul 1522, d. 15 May 1568)
- Anthony 'Il Buono' (b. 4 Jun 1489, d. 14 Jun 1544)
- Antoine, ("The Good") (Duke) (b. 4 Jun 1489, d. 14 Jun 1544)
- Anton I (d. 1457)
- Charles (b. 1524)
- Charles, (Count) (b. 26 Mar 1554, d. 4 Oct 1611)
- Charles, (Duke) (b. 25 Jan 1555, d. 1631)
- Charles, II (Duke) (b. 5 Nov 1595, d. 5 Nov 1657)
- Christine (b. 1565, d. 1636)
- Claude, (Duke) (b. 1 Aug 1526, d. 3 Mar 1573)
- Claude Of Guise, (Duke) (b. 20 Oct 1496, d. 12 Apr 1550)
- Ferry, II (Count) (b. 1428, d. 31 Aug 1470)
- Francois, (Duke) (b. 17 Feb 1519, d. 24 Feb 1563)
- François, I (b. 23 Aug 1517, d. 12 Jun 1545)
- François Marie, (Prince) (b. 4 Apr 1624, d. 19 Jan 1694)
- Françoise de Mercoeur, (Duchess) (b. 1592, d. 8 Sep 1669)
- Henri, (Duke) (b. 31 Dec 1550, d. 25 Dec 1588)
- Henri, II (Duke) (b. 1563, d. 1624)
- Isabel (b. 1410, d. 1453)
- Jean (d. 1550)
- Jeanne (b. 1458, d. 25/25 JAN 1479/1480)
- Jolanthe (d. 21 May 1500)
- Marguerite (b. 1463, d. 1 Nov 1521)
- Marguerite, (Princess) (b. 1615, d. 1672)
- Marie (b. 22 Nov 1515, d. 10 Jun 1560)
- Marie (b. 21 Aug 1555, d. abt 1603)
- Nicolas, (Duke) (b. 16 Oct 1524, d. 24 Jan 1577)
- Renate, (Princess) (b. 20 Apr 1544, d. 22 May 1602)
- Rene, II (Duke) (b. 2 May 1451, d. 10 Dec 1508)
- Rene, (Marquis) (b. 14 Aug 1536, d. 14 Dec 1566)
- De Lossy
- De Lotbiniere
- De Lou
- De Lounders
- De Louthe
- De Louvain
- De Louvaine
- Eleanor (b. 27 Mar 1345, d. 5 Oct 1397)
- De Louvencourt
- De Lovaine
- De Lowenstein
- De Lowenstein wertheim freudenberg
- ? (b. 19 Sep 1924)
- Alban, Pr (b. 14 Aug 1892, d. 6 Mar 1964)
- Amelie (b. 24 Jun 1883, d. 23 Sep 1978)
- Amelie, Pss (b. 4 Mar 1923)
- Amelie, Pss (b. 20 Feb 1953)
- Dorothe (b. 30 Dec 1955)
- Elisabeth (b. 5 May 1890, d. 9 Mar 1953)
- Erika, Pss (b. 23 Dec 1896, d. 28 Jun 1978)
- Gabrielle (b. 1888, d. 1892)
- Gertrude (b. 1926)
- Ilka, Pss (b. 9 Jan 1887, d. 31 Mar 1971)
- Madeleine (b. 8 Mar 1885, d. 30 Jan 1976)
- Olga, Pss (b. 25 Oct 1880, d. 1 Jul 1961)
- Pauline (b. 16 Oct 1881, d. 24 Apr 1945)
- Pauline (b. 9 Jun 1928)
- Udo (b. 8 Sep 1896, d. 28 Dec 1980)
- Wolfgang, Pr (b. 25 Nov 1890, d. 9 Jul 1945)
- Wolfram, Pr (b. 21 Oct 1941)
- De Lucie
- De Lucy
- De Lumley
- De Lusignan
- Anne (b. 24 Sep 1415, d. 11 Nov 1462)
- Jane (d. Apr 1323)
- Maud (d. 14 Aug 1241)
- De Lutegareshale
- De Luxembourg
- Antoine, (Count) (b. 1445, d. 1519)
- Guillemette (b. abt 1440, d. bef 9 Apr 1500)
- Isabelle
- Jacob, I (b. abt 1450, d. 20 Aug 1487)
- Jacqueline (b. abt 1436)
- Jacques, (Seigneur) (d. 20 Aug 1487)
- Jacques, II (b. 1474)
- Jeanne, Bâtarde, (Dame)
- Louis, I (Count) (b. 1418, d. 19 Dec 1475)
- Luisa (d. 18 Apr 1517)
- Madeleine (b. abt 1460, d. aft 1498)
- Marie (b. 1472, d. 1 Apr 1546)
- Philippote (d. 1525)
- Pierre, (Count) (b. 1390, d. 31 Aug 1433)
- Pierre, II (Count) (b. abt 1448, d. 25 Oct 1482)
- Yolande
- 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 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
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- 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 Neville
- 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