Gabriel I of Pec
Hieromartyr
Commemorated December 13
The holy, glorious and right-victorious Hieromartyr Gavrilo I of Pec (also Gabriel ; Serbian: Свети свештеномученик Гаврило српски ) was the Serbian patriarch from 1648 to 1655. His feast day is celebrated on December 13 .
Source: OrthodoxWiki