Mamońka Jazep (Мамонька Язэп), military man, teacher. Biographical data are scarce. Was active in the Socialist Hramada and held numerous important positions in the Government of the Belarusian Democratic Republic.

Was one of the founders, together with Badunova and Hryb, of the Party of Belarusian Socialist revolutionaries in 1918. Emigrated to Prague, but chose to return to Soviet Belarus in the 1920s, where he was never allowed his freedom; and was immediately executed.

References: Belarusian Institute of Arts and Sciences, New York, Archives.

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