Complex sentence: In 1606 the land and property passed to the Erskine family, and later to the Marquess of Montrose; the 6th Duke of Montrose passed it into the care of the State in 1926.
Split into simpler sentences: In 1606 the land and property passed to the Erskine family. It later passed to the Marquess of Montrose, and the 6th Duke of Montrose passed it into the care of the State in 1926.