When the Varangians were defeated in the siege of Dorostolon, the victors were stunned to discover shieldmaidens among the fallen warriors.[28] 975: Adelaide-Blanche of Anjou, acting for her sons Guy and Bertrand, led an army to aid Guy (a.k.a. Guido II), Count-Bishop of le Puy, in establishing the "Peace of God" in le Puy.[29] 975: Elvira Ramírez and her nephew leads the Leonese army in the Siege of Moorish Gormaz.[citation needed] 986: The Khitan Dowager Regent Empress Xiao Yanyan of the Khitan Liao state, regnal title Chengtian, assumes power at age 30 in 982.