Complex sentence: Around the middle of the 15th century the castle was enlarged again, this time by knight Reinald van Homoet, the 10th Lord of Dorenweerd, who was also the owner of Doornenburg Castle.
Split into simpler sentences: Around the middle of the 15th century the castle was enlarged again. This time by knight Reinald van Homoet, the 10th Lord of Dorenweerd, who was also the owner of Doornenburg Castle.