Complex sentence: It was owned by John Leland, the antiquary, in the 1540s; it probably became available after the dissolution of the monasteries, in which the property of many religious houses was confiscated and sold.
Split into simpler sentences: It was owned by John Leland, the antiquary, in the 1540s. It probably became available after the dissolution of the monasteries, in which the property of many religious houses was confiscated and sold.