| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Christophoro d'Authier de Sisgau | |
| Titular Bishop of Bethlehem | |
| Church: | Catholic Church |
| Term: | 1651–1667 |
| Predecessor: | André de Sauzay |
| Successor: | François de Batailler |
| Consecration: | 26 March 1651 |
| Consecrated By: | Bernardino Spada |
| Birth Date: | 6 April 1609 |
| Birth Place: | Marseille, France |
| Death Date: | 17 September 1667 (age 58) |
Christophoro d'Authier de Sisgau, O.S.B. (1609–1667) was a Roman Catholic prelate who served as Titular Bishop of Bethlehem (1651–1667).[1] [2]
Christophoro d'Authier de Sisgau was born in Marseille, France, on 6 April 1609 and ordained a priest in the Order of Saint Benedict.[3] On 27 February 1651, Christophoro d'Authier de Sisgau was appointed during the papacy of Pope Innocent X as Titular Bishop of Bethlehem.On 26 March 1651, he was consecrated bishop by Bernardino Spada, Cardinal-Priest of San Pietro in Vincoli with Giorgio Bolognetti, Bishop of Rieti, and Persio Caracci, Bishop of Larino, serving as co-consecrators. He served as Titular Bishop of Bethlehem until his death on 17 September 1667.