. "semi-independent state" . . "Vassals" . "client king" . . "vassal ruler" . . "Vassal" . "vassal kingdom" . "vassal kingdoms" . "vassal territories" . "State" . "Client State" . . "vassal rule" . "titular ruler" . . "vassals" . "vassaldom" . "Vassal state" . "vassalaged" . . "client state" . "vassal territory" . . . "vassal-kingdom" . "vassal states" . "vassal state" . "vassal city" . "vassalage" . "tributary" . . "Vassal State" . "vassal king" . "Vassal state" . "vassal" .