Duke of Nericia explained

Duke of Nericia or Duke of Närke is a Swedish substantive title.

This is a list of Swedish princes who have held Närke as duke:

• Prince Carl, Duke of Nericia 1560–1604 (also of Södermanland and Värmland), then King Carl IX of Sweden
• Prince Carl Philip, Duke of Nericia 1607–1618 (also of Södermanland and Värmland), brother of King Gustav II Adolf
• Prince Eugen (1865–1947), Duke of Nericia, brother of King Gustaf V of Sweden.