| Name | Birth date | Death date | Marriage date |
|---|
| Lorraine, Gilbert Duke Of | Abt. 890 | 02 October 939 | 29 January 1043/44 |
| Lorraine, Giselbert Duke Of | Abt. 890 | 02 October 939 | 29 January 933/34 |
| Lorraine, Oda Of Lower | WFT Est. 981-1003 | WFT Est. 1024-1090 | WFT Est. 1006-1039 |
| Lorraine, Regilinde Of | WFT Est. 987-1022 | WFT Est. 1017-1104 | WFT Est. 1009-1051 |
| Lothaire-I | Abt. 795 | 29 September 855 | 15 October 821 |
| Lothier, Henry II Of | WFT Est. 1160-1197 | WFT Est. 1200-1279 | WFT Est. 1185-1235 |
| Lothier, Matilda Of | WFT Est. 1200-1224 | 1288 | 1237 |
| Louis I The Pious | August 778 | 20 June 840 | 819 |
| Louis, VI | WFT Est. 1049-1126 | WFT Est. 1127-1200 | WFT Est. 1073-1156 |
| Louis, VII | WFT Est. 1127-1158 | 1180 | WFT Est. 1134-1178 |
| Louvain, Godfrey "The Bearded" | 1060 | 25 January 1139/40 | 1100 |
| Louvain, Lambert I Count Of | WFT Est. 942-974 | 1015 | 990 |
| Louvain, Lambert II Count Of | 991 | 21 September 1062 | WFT Est. 1006-1039 |
| Louvain, Maud Of | WFT Est. 988-1010 | WFT Est. 1025-1096 | WFT Est. 998-1038 |
| Lowther, Alice | WFT Est. 1399-1419 | WFT Est. 1424-1503 | WFT Est. 1420-1453 |
| Lowther, Anne | WFT Est. 1387-1410 | WFT Est. 1432-1498 | WFT Est. 1404-1447 |
| Lowther, Robert, Knt | WFT Est. 1345-1384 | WFT Est. 1387-1465 | WFT Est. 1369-1422 |
| Lucy | Abt. 1070 | Abt. 1136 | Abt. 1097 |
| Ludolph, Duke Of Saxony | Abt. 826 | 866 | WFT Est. 842-861 |
| Luitfrid, III, Count Of Upper Alsace | WFT Est. 791-800 | 865 | WFT Est. 810-845 |
| Lupus, Hugh | WFT Est. 973-1058 | WFT Est. 1009-1132 | WFT Est. 998-1089 |
| Lusignan, Hugh | WFT Est. 1013-1088 | WFT Est. 1065-1164 | WFT Est. 1041-1122 |
| Lusignan, Hugh | WFT Est. 982-1036 | WFT Est. 1013-1111 | WFT Est. 1005-1069 |
| Lusignan, Hugh | WFT Est. 1102-1147 | WFT Est. 1139-1228 | WFT Est. 1128-1184 |
| Lusignan, Hugh | WFT Est. 1065-1120 | WFT Est. 1102-1199 | WFT Est. 1091-1154 |
| Lusignan, Hugh | WFT Est. 956-999 | WFT Est. 982-1075 | WFT Est. 977-1033 |
| Lusignan, Hugh | WFT Est. 931-960 | WFT Est. 956-1039 | WFT Est. 951-997 |
| Lusignan, Hugh | 910 | WFT Est. 931-1000 | WFT Est. 929-961 |
| Lusignan, Raoul | WFT Est. 1139-1171 | 01 May 1219 | 1191 |
| Lutegareshale, Piers | 1134 | WFT Est. 1166-1225 | WFT Est. 1153-1183 |
| Lutteride, I, Duke Of Alsace | Bef. 722 | 767 | Bef. 750 |
| Lutteride, II, Count Of Alsace | Bef. 750 | 802 | WFT Est. 766-792 |
| Luxembourg, Frederic I Count | Abt. 945 | 06 October 1019 | Aft. 985 |
| Luxembourg, Hedwig Countess Of | Abt. 923 | WFT Est. 965-1018 | WFT Est. 937-967 |
| Luxembourg, Otgive De | Abt. 986 | 21 February 1029/30 | 1012 |
| Luxembourg, Siegfried Count Of | Abt. 918 | 28 October 998 | WFT Est. 937-967 |
| Lydia | | | |
| Lydia | | | |
| Mac Diarmait, Murchad | WFT Est. 1011-1048 | 1070 | WFT Est. 1033-1069 |
| Macbricc, Sadb | WFT Est. 1014-1050 | WFT Est. 1048-1134 | WFT Est. 1032-1068 |
| Macmael, Diarmait Nam Bo | WFT Est. 970-1020 | 23 February 1071/72 | WFT Est. 995-1053 |
| Macmurchada, Donnchad | WFT Est. 1048-1071 | 1115 | WFT Est. 1073-1108 |
| Macmurrough (Mcm, Dermod | Bet. 1110 - 1111 | 01 May 1171 | Abt. 1140 |
| MacMurrough, Eva | WFT Est. 1130-1154 | 1177 | 26 August 1171 |
| Macon, Beatrice De | Abt. 974 | WFT Est. 1004-1068 | Bef. 999 |
| Madistard, Margery | Abt. 1547 | WFT Est. 1572-1641 | 1559 |
| Magdalena | | 06 April 1759 | |
| Magnaville, Matilda | WFT Est. 1011-1074 | WFT Est. 1042-1154 | WFT Est. 1031-1103 |
| Magnus, Hugh | WFT Est. 888-917 | June 956 | WFT Est. 914-949 |
| Magnus, Hugh | WFT Est. 1048-1061 | 1101 | WFT Est. 1069-1098 |
