| R. Avraham Kahana Gaon | Iraq | fl. 759-761 |
| R. Chanina Kahana ben R. Avraham Gaon | Iraq | fl. 783-786 |
| Mar R. Kahana ben R. Chanina ben R. Avraham | Iraq | 805-811 |
| Mar R. Ivomai ben Mar R. Avraham Gaon | Iraq | fl. 811-815 |
| Mar R. Avraham ben Mar R. Sherira | Iraq | fl. 817-828 |
| Avraham (son of R. Shlomo ben Yehudah) | Israel | 11th cent. |
| back to 6th-11th c. |
| R[eb] Avraham | Rome, Italy | fl. 1007 |
| Avraham | Koln, Germany | 1096 |
| Mar Yuda b[en] R[eb] Avraham | Koln, Germany | 1096 |
| Mar Yehudah b[en] R[eb] Avraham heChasid | Koln, Germany | 1096 |
| Mar Avraham b[en] R[eb] Asher | Mainz, Germany | 1096 |
| Mar Yehudah b[en] R[eb] Avraham | | 1096 |
| Mar Avraham b[en] R[eb] Yom Tov | Trier, Germany | 1096 |
| Avraham | Koln, Germany | d. 1146 |
| Mar Avraham b[en] R[eb] Shmuel | Germany | d. 1147 |
| R[eb] Avraham haSofer miCarentan | France and Germany | fl. 1171 |
| Avraham ben R[eb] Meir | Germany | 12th-13th c. |
| Shmuel b[en] Rabbi Avraham haLevi | Germany | 13th c. |
| R[eb] Avraham Ger Tzedek = R[eb] Avraham ben Avraham Avinu meOispurk | | d. 1264 |
| R[eb] Avraham b[en] R[eb] Moshe | Koblenz, Germany | 1265 |
| R[eb] Avraham b[en] R[eb] Gershom | Pforzheim, Germany | 1267 |
| R[eb] Yaakov b[en] R[eb] Avraham | Wissembourg, France | d. 1270 |
| back to Crusades |