During the 950s Fortún makes frequent appearances with the ducal title.
Thereafter, the ducal title was held by several French princes.
In 1556 he returned the territory to the Crown but retained the ducal title.
Very often a single inheritance includes a whole list of ducal and other titles.
In the following year he received back his private estates, though not the ducal title.
Due to his short reign and young age he was not given the normal ducal title.
A grandeeship is always attached to the grant of a ducal title.
Why must the old Howard bear a ducal title?
In the 11th century they dominated the area, and held the ducal title along with many other titles in the region.
He died of illness in 1717 and his ducal title was not inherited by his descendants.