House Mercer of Dunharrow is a vassal house of House Blackgard, the Great House of The Borderlands located on the border of the Borderlands and the Stormlands. In a unique situation, House Mercer is sworn to House Blackgard of Ebonheart, rather than House Baratheon of Storm's End. This is due to their close proximity to and effective control of the Black Road, arguably the most important highway in the Borderlands, so for this reason they are sworn to House Blackgard.



Household members

Historical Members

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