Carthane
The Earldom of Carthane occupies a narrow stretch of land along the Eirian River south of the Royal Duchy of Haldane and north of the Duchy of Carthmoor. Although originally established as an independent land in the fifth century, Carthane's conquest at the hands of Count Augarin II Haldane in 645 results in the formation of the Kingdom of Gwynedd shortly thereafter. The estate of Carthane is reduced to a barony by the time it passes to the House of Murdoch in the early eighth century, but the title falls into abeyance during the Festillic Interregnum of the ninth century. Following the Haldane Restoration of 904, King Cinhil I Haldane returns the title to the House of Murdoch and eventually promotes the land to an earldom. The House of Murdoch is attainted in 948, and the title remains out of use until King Uthyr Haldane bestows it upon his youngest son in 953. The junior branch of the House of Haldane retains the title without interruption over the following century and a half. In 1130, the eleventh Earl of Carthane is Earl Michael II Haldanethe earldoms were in charge of ruling which ever part of England was giving to them by the king.
Read more about this topic: Earldoms Of Gwynedd (fictional)