A Jaffa, the former wife of Teal'c and mother to Rya'c. Drey'auc of the Cordai Plains (on the planet Chulak) was loyal to the Goa'uld even after her husband betrayed them, joining the Tau'ri. She worked diligently to restore Apophis' faith in her and her son so the Prim'tah ritual could be performed when Rya'c's came of age. Drey'auc married the Jaffa Fro'tak after Teal'c had appeared to have abandoned them and joined SG-1, taking refuge in Fro'tak's financial and political security. But she had never stopped loving Teal'c, and Fro'tak betrayed them to Apophis when he saw the two embrace.

Drey'auc permitted Rya'c to train with Jaffa master Bra'tac, who had trained Teal'c before him. It was after a sparring session that she discovered Rya'c was missing two teeth. Several days later, after the boy had been rescued from Apophis, she realized that the teeth were no longer missing. It was Drey'auc's attention to detail that saved the S.G.C., and all of Earth, from a virulent plague hidden by Apophis within the false teeth.

Drey'auc finally took solace in Teal'c's cause. Shortly afterward, she and Rya'c took refuge in the Land of Light, far from Goa'uld oppression.

Eventually, Drey'auc and Rya'c moved to a Jaffa rebel camp. It was there that her symbiote matured, and she was unwilling to allow any fellow Jaffa to sacrifice themselves for her and give her a new symbiote to sustain her. Consequently, she lived for a short time without an immune system, and died at the camp. (SG1: "Redemption, Part 1")

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