Complex sentence: In 1651 Suleyman, the prince of Hoşap Castle, invaded the monastery, robbed the palace, manuscripts, treasures and the Holy Cross, which was later repurchased and made it part of the Tiramayr Church of Van in 1655.
Split into simpler sentences: In 1651 Suleyman, the prince of Hoşap Castle, invaded the monastery, looting it of its Holy Cross, manuscript and treasures. The cross was later repurchased and it was added to the Tiramayr Church of Van in 1655.