Elphberg is a fictional family from the Witcher series created by Andrzej Sapkowski. They are known for their royal lineage and significant role in the political landscape of the Continent. The family is often associated with themes of power, betrayal, and the complexities of ruling. The Elphberg family includes notable characters such as King Foltest and Princess Adda. Their stories often intertwine with the main protagonist, Geralt of Rivia, highlighting the challenges faced by those in power and the impact of their decisions on the world around them.