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Cognomen Schaak (Sekak , Schaak , Escac ) , globally, is quite a rare last name. The family name Schaak is characteristic of Germany, where it is quite a rare surname, Netherlands, where it is a rare surname, and Malaysia. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Morocco. Much less frequently, Schaak is the forename as well as the last name.