 Complete the following phrase:  The valley of Manglisi appears in possession of the Juansheriani family, a branch of the former royal dynasty of Chosroids of Iberia, in the middle of the 8th century, and then of the Liparitids, whose one member Rati, a contemporary of Bagrat III r. 97810081014, is described by the Georgian chronicler to have held the fortress of Ateni and all Kartli south of the Mtkuari, Trialeti, Manglis-khevi, and Skvireti. At the beginning of the 11th century, the cathedral of Manglisi, originally a tetraconch, was substantially reconstructed and refurbished. In 1121, the field of Didgori, not far from Manglisi, was a scene of the 