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Duke
Marquis is below a Duke and above an Earl.
An earl is a lower rank than a duke. A Duke is the highest rank of nobility right after the Prince. An Earl, on the other hand, is a lower rank above viscount and below a marquis.
A duke.
The word "marquis" is defined as a nobleman rank above a count but below a duke. This term and position is only relevant and exists in few European countries.
The next rank below that is Lieutenant Colonel. Below that is Major. Below that is Captain. Below that is First Lieutenant, and below that is Second Lieutenant. That's the Army, Marine Corps, and Air Force.
There is no rank called "colonial." The rank "Colonel" is below General and above Lt. Colonel, Major, Captain, and so on.
Marquis de Carabas is a nobleman of hereditary rank. This is in European monarchies and some of their colonies.
Brigadier general;)
A nobleman in England, France, and Germany, of a rank next below that of duke. Originally, the marquis was an officer whose duty was to guard the marches or frontiers of the kingdom. The office has ceased, and the name is now a mere title conferred by patent.
duke
They are of the same rank but Prince Charles' wife will become queen beofre Prince William's wife.