He was created Duke of Exeter for life, in 1416.
John Holland, 1st Duke of Exeter (approximate date; died 1400)
The Duke of Exeter doth love thee well.
She had been married at the age of eight to Henry Holland, 3rd Duke of Exeter, in 1447.
In 1455 she was custodian of the Duke of Exeter at the castle.
In 1447, Anne married Henry Holland, 3rd Duke of Exeter.
He was rewarded by being created Duke of Exeter on September 29.
Is the Duke of Exeter safe?
Art thou against us, Duke of Exeter?
This included a bitter disagreement over lands with Henry Holland, Duke of Exeter.