Complex sentence: In the 1170s it was controlled by Reynald II Mazoir of Antioch as a vassal of the count of Tripoli; the fortress was so large that it had its own household officials and a number of rear-vassals.
Split into simpler sentences: In the 1170s it was controlled by Reynald II Mazoir of Antioch as a vassal of the count of Tripoli. The fortress was so large that it had its own household officials and a number of rear-vassals.