By Nature (and the will of God), the duke should be ruling the land.

The dukes of Burgundy ruled for less than a century, but the cultural changes that took place during this time were profound.

The dukes ruled by decree in each of those duchies, and their decrees were largely based on whims.

The dukes of Burgundy ruled Belgium.

King Milo's authority dwindled by the day, in step with his health, and dukes of the outer provinces ruled their fiefs like independent monarchs.

The grand duke has ruled Luxembourg, a country of 365,000 bordered by Belgium, France and Germany, since November 1964.

The following dukes ruled the entire duchy before it was sub-divided:

Their ancient dukes no longer ruled them; government was a void - nothing more.

In September the duke of Clarence ruled on matters of precedence between the heralds and the serjeants-at-arms.

The duke, later King James II, ruled this place after the English displaced the Dutch in the 1660's.