0 a man of very high rank in a country, or the ruler of a small independent country --
2 (in some countries) a title of a man who has a very high social rank or who is the ruler of a small, independent country, or the person himself --
Now duke moves turn into 4-angel moves.
These clerics were likely to be younger sons of the aristocracy thus of the same social class as the dukes themselves.
These dukes have their own domains and political regimes, and seek to develop independently.
In other words, if a duke can always escape from a 5-devil, then a 4-angel can escape from a 1-devil.
The significance of the duke's two devices has been the subject of some discussion.
His involvement in mining technology and geology resulted from his need to advise the duke on policy issues.
Successive dukes had introduced linen and wool manufacturing into the parish.
The following extract, written as a retrospective summary, makes the duke's affinities to the political language of neo-classicism most explicit.