Sometimes, its former rulers allowed to rule as a vassal or feudatory. In return the liege lord promised to protect and remain loyal to his vassal. The Assyrian empire expanded through establishing provinces and vassal states. The Parthian Empire was based on a loosely configured system of vassal kings. Ryukyu was forced to cede the Amami Islands and become a vassal of Satsuma. Berengar was recognised as king and a vassal of Arnulf. Lord Roose Bolton is a significant vassal of Lord Eddard Stark. Bagrat I the Little to a vassal prince. Siegfried's descendants increased their territory through marriage, war and vassal relations. Adilshah was displeased at his losses to Shivaji's forces, which his vassal Shahaji disavowed. Mongol women enjoyed more freedoms than those in their foreign vassal countries. Initially, Jai Singh served as a Mughal vassal. Thus the Cape Colony became a French vassal and enemy of the British. The Oirats were ruled by a Taishi who was a vassal of the Khan. He remained governor as a Seleucid vassal.