| Name | Birth date | Birth location | Death date | Death location |
|---|---|---|---|---|
| Pandulf VI Count of Teano | 1026 | Rome | ||
| Ekbert Count of Tecklenburg | 4 februar 1150 | Count of Tecklenburg 1127-1144 | ||
| Heinrich I Count of Tecklenburg | 1156 | |||
| Simon Count of Tecklenburg | Bef. 1157 | 8 august 1202 | Ruled from 1157 | |
| Heinrich? Count of Tecklenburg? | Aft. 1118 | |||
| Meginhard I Count of the Hamelant. | Abt. 12 november 843 | |||
| Erlebert Count of Therouanne | Or a noble of Therouanne | |||
| Aimery I Count of Thouars | Abt. 879 | Thouars, Deux-Sevres, France | ||
| Aimery II Count of Thouars | Abt. 903 | Thouars, Deux-Sevres, France | 956 | |
| Aimery IV Count of Thouars | Abt. 1024 | Thouars, Deux-Sevres, France (Viscount) | 1093 | Murdered, companion of William the Conqueror |
| Aimery VI Count of Thouars | Abt. 1080 | Thouars, Deux-Sevres, France | 1127 | in battle |
| Geoffrey II Count of Thouars | Abt. 975 | Thouars, Deux-Sevres, France | Abt. 1055 | St. Michael in Lherm, France |
| Geoffroy I Count of Thouars | Abt. 845 | Thouars, Deux-Sevres, France | ||
| Geoffroy III Count of Thouars | 1040 | Thouars, Deux-Sevres, France | Crusader | |
| Geoffroy V Count of Thouars | Abt. 1111 | Thouars, Deux-Sevres, France | ||
| Herbert I Count of Thouars | Abt. 925 | Thouars, Deux-Sevres, France | 987 | |
| Savary III Count of Thouars | Abt. 948 | Thouars, Deux-Sevres, France | ||
| Ludwig "der Bartingen" Count of Thuringia | Bef. 13 juni 1080 | |||
| Ludwig "der Springer" Count of Thuringia | 7 maj 1123 | Died as monk, ruled from 1080 | ||
| Ludwig I Count of Thuringia | Abt. 1090 | Margrave | 12 januar 1140 | |
| Ernst I Count of Tonna and Harburg | 29 december 1151 | Ruled 1120-1151 | ||
| Erwin I Count of Tonna | Aft. 1116 | Ruled 1099-1116 | ||
| Guillaume I Count of Toulouse | 765 | Trusted royal courtier under Charlemagne | 28 maj 812 | Same as ambassador to Bagdad 797-801, Isaac, a Jew |
| Odon (Eudes) Count of Toulouse | Abt. 864 | France | 918 | Ruled 875-918 |
| Pons De Rouergue Count of Toulouse | 1061 | |||
| Raimond I Count of Toulouse | 810 | France | 864 | Ruled 852-864 |
| Raimond II Count of Toulouse | Abt. 895 | France | 923 | Ruled 918-923 |
| Raimond III Pons Count of Toulouse | Abt. 921 | France. Count of Albi, Duke of Aquitaine, Marquis of Gothie. | Aft. 961 | Ruled 923-950 |
| William III Tailefer Count of Toulouse | 947 | oktober 1037 | Ruled 1018-1037 | |
| William IV De Rouergue Count of Toulouse | 1094 | |||
| Hugo II Count of Tours & Orleans & Alsace | 765 | Upper Alcase, France | september 836 | France, ruled 800-837 |
| Ulric Manfred II Count of Turin and Asti | Marquis di Turin, Susa Marquis | 23 december 1035 | ||
| Arduin I Count of Turin | ||||
| Gebhard Count of Ufgau | Abt. 948 | |||
| Siegfried Count of Ungarnmark | Abt. 1005 | Sponheim, Rheinland, Prussia | 5 juli 1065 | Count of Ortenburg ?-1055/65 |
| Conrad Count of Upper Lahngau | 906 | Ruled 879-905 | ||
| Dietpold I Count of Upper Trangau | 18 maj 1060 | Ruled 1020-60 | ||
| Ratpoto I Count of Upper Trangau | Bef. 977 | Aft. 964 | ||
| Ratpoto II Count of Upper Trangau | Aft. 1060 | |||
| Ermengaud IV Count of Urgel | Abt. 1052 | Forcalquier, France | Aft. 1092 | |
| Wilfred I Count of Urgel | ||||
| Gautier I Count of Valois | Abt. 930 | Valois, France | 992 | |
| Raoul III "the Great" Count of Valois | Abt. 1015 | Valois, France | 23 februar 1074 | Peronne, Somme, France |
| Bouchard I the Old Count of Vendome | Vicomte de Paris | 26 februar 1007 | St. Maur des Fosses | |
| Foulque I. L'Oison Count of Vendome | 22 november 1066 | Ferrieres-en-Toraine, France. Ruled 1060-1066 | ||
| Godefroy the Old Count of Verdun and Ardennes | Abt. 932 | Count in Bidgau in the Methingau; Marquis of Antwerp and Eenam. | Aft. 3 september 1005 | |
| Henry Count of Verdun | 920 | Aft. 954 | ||
| Richwin Count of Verdun | 923 | |||
| Heribert II Count of Vermandois & Troyes | 885 | Vermandois, Normandy, France | 23 februar 943 | St. Quentin, ruled 902-943 |
| Heribert IV Count of Vermandois and Valois | Abt. 1020 | Vermandois, Normandy, France |