Antipope Gregory VIII
Antipope Gregory VIII  | |
|---|---|
| Papacy began | 10 March 1118 | 
| Papacy ended | 22 April 1121 | 
| Predecessor | Roman claimant:  Gelasius II Antipapal claimant: Sylvester IV  | 
| Successor | Roman claimant:  Calixtus II Antipapal claimant: Celestine II  | 
| Opposed to | |
| Other post(s) | Archbishop of Braga | 
| Personal details | |
| Born | Maurice Bourdin  | 
| Died | 1137 La Cava, Salerno  | 
| Alma mater | Cluny | 
| Other popes and antipopes named Gregory | |
Gregory VIII (died 1137), born Mauritius Burdinus (Maurice Bourdin), was antipope from 10 March 1118 until 22 April 1121.