Francke is a German surname. Notable people with the surname include: August Hermann Francke (1663–1727), German Protestant theologian. Arne Francke (1904–1973), Swedish horse rider. Gloria Niemeyer Francke (1922–2008), American pharmacist and science writer. Kuno Francke (1855–1930), educator and historian. Malcolm Francke (born 1939), Australian cricketer. Master Francke (c.1380–1440), German painter. Michael Francke (1946–1989), Director of the Oregon Department of Corrections. Paul Francke (architect) (c.1537-1615), German architect and master builder.
https://en.wikipedia.org/wiki/Francke