Complex sentence: The Botsosdze are last heard of with Shalva in the 1260s; by the 16th century, their estates in Samtskhe appear in possession of the Oladashvili family.
Split into simpler sentences: The Botsosdze are last heard of with Shalva in the 1260s. By the 16th century, their estates in Samtskhe appear in possession of the Oladashvili family.