and surely there is the rank of Knight Bachelor ....
http://en.wikipedia.org/wiki/Knight_Bachelor
The rank of Knight Bachelor is a part of the British honours system. It is the rank of a man who has been knighted by the monarch but not as a member of one of the organised Orders of Chivalry. Knights Bachelor are the most ancient sort of British knight, the rank existed during the reign of King Henry III (1 October 1207 � 16 November 1272), but Knights Bachelor rank below knights of the various orders