Question: What is the date of death of Mariam, Daughter Of Bagrat Iv Of Georgia's father?
Sentence (from "Mariam, daughter of Bagrat IV of Georgia"): This lady was a cousin of Eirene, another bride from Georgia at the Byzantine court, who was married to the "sebastokrator" Isaac Komnenos, brother of the emperor Alexios I Komnenos.
Relevant evidence: No