| R. Yaakov haKohen ben Mar R. Mordechai Gaon | Iraq | fl. 768-812 |
| back to 6th-11th c. | ||
| Mar Shmuel b[en] R[eb] Mordechai haZaken | Mainz, Germany | d. 1096 |
| R[eb] Mordechai | Speyer, Germany | 1096 |
| Mar Kalonymos b[en] R[eb] Mordechai | Germany | d. 1147 |
| haRav R. Moshe b[en] R[eb] Mordechai | Mainz, Germany | 1188 |
| R[eb] Mordechai b[en] R[eb] Elyakim haLevi | Erfurt, Germany | 1221 |
| Mordechai b[en] Rabbi Eliezer | 13th c. | |
| Mordechai b[en] R[eb] Yosef | Germany | 13th c. |
| Mordechai b[en] R[eb] Hillel | Germany | d. 1298 |
| back to Crusades | ||