| R. Hana Mari b. R. Yosef Gaon | Iraq | fl. 689 |
| R. Yosef Gaon [or Mar Kusnai] | Iraq | fl. 739-748 |
| R. Menashe ben R. Yosef | Iraq | fl. 788-796 |
| Mar R. Yosef ben Mar R. Shila of Shalchi | Iraq | fl. 798-805 |
| R. Yosef Gaon of Abba | Iraq | fl. 815-817 |
| R. Yosef ben Mar Chiyya | Iraq | fl. 828-833 |
| Mar R. Yosef ben Mar R. Rivai | Iraq | fl. 839-841 |
| R. Menachem ben Mar R. Yosef ben Chiyya | Iraq | fl. 857-859 |
| Mar R. Kohen Tzedek Kahana ben Mar R. Yosef | Iraq | fl. 926-935 |
| R. Yosef ben Yaakov | Iraq | fl. 942-944 |
| R. Aharon ben Mar R. Yosef haKohen | Iraq | fl. 944-960 |
| R. Yosef Tuv Elem | France | fl. 1070 |
| back to 6th-11th c. |
| Yosef | France and Rome | fl. 1007 |
| Mar Yosef | Mainz, Germany | 1096 |
| R[eb] Kalonymos b[en] R[eb] Yosef haKatan miShpeira | Mainz, Germany | 1096 |
| Mar Uri b[en] R[eb] Yosef | Mainz, Germany | 1096 |
| Mar Yosef | | 1096 |
| Mar Asher b[en] R[eb] Yosef | Trier, Germany | 1096 |
| Yosef b[en] R[eb] Nasan | Wurtzburg, Germany | fl. 1096 |
| Yosef haKohen | Blois, France | 1171 |
| Baruch b[en] R[eb] Yosef | Neuss, Germany | d. 1186 |
| Nadiv R[eb] Moshe b[en] R[eb] Yosef haKohen | Mainz, Germany | 1188 |
| R[eb] Moshe b[en] R[eb] Yosef haKohen | Speyer, Germany | fl. 1196 |
| Yosef | Chartres, France | late 12th c. |
| R[eb] Yosef b[en] R[eb] Shmuel | Erfurt, Germany | 1221 |
| Yosef haNaar | Erfurt, Germany | 1221 |
| R[eb] Yosef | Germany | 1235 |
| R[eb] Yechiel b[en] R[eb] Yosef haCohen | Germany | d.
1235 |
| heChaver R[eb] Yosef haBachur b[en] R[eb] Shmuel | Koblenz, Germany | 1265 |
| Mordechai b[en] R[eb] Yosef | Germany | 13th c. |
| back to Crusades |