sentence1: Sahl Smbatyan wrote that Movses Kaghankatvatsi was a descendant of the ancient Armenian House of Aranshahik ( itself a branch of the Syunid dynasty ) .
sentence2: Chair Smbatyan wrote that Movses Kaghankatvatsi was a descendant of the ancient Armenian house of Aranshahik ( himself a branch of the Syunid dynasty ) .