Surname Dorthea (Dorthea 
) , globally, is a very rare family name. The family name Dorthea is habitual in Norway, where it is a rare surname, Denmark, where it is a very rare surname, and Israel. Not in comparison with a country's population, this name is the most popular in Norway, Denmark, and the United States. Much more prevalently, Dorthea is the forename as well as the last name.
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