Jahnke Family History
Jahnke Name Meaning
North German (also Jähnke): from a pet form of the personal name Jahn ‘John’. Compare Janke . Germanized form (also Jähnke) of Sorbian Jank Polish Czech and Sorbian Janka and also of Sorbian (and other Slavic) Janko all cognates of
Source: Dictionary of American Family Names 2nd edition, 2022