Complex sentence: The Saiyid family acquired the highest state offices, those of Orang Kaya Besar and of Menteri, and one of its members was made a Bendahara in the 18th century.
Split into simpler sentences: The Saiyid family acquired the highest state offices, those of Orang Kaya Besar and of Menteri. One of its members was made a Bendahara in the 18th century.