I don't think Gwynn is a German word, you are probably mistaking it for the Welsh name which i think is Gwen in english.
Chris Gwynn's birth name is Christopher Karlton Gwynn.
Lucius Gwynn died in 1902.
Arthur Gwynn was born in 1874.
Stephen Gwynn died in 1950.
Stephen Gwynn was born in 1864.
Aubrey Gwynn was born in 1892.
Aubrey Gwynn died in 1983.
Michael Gwynn was born in 1916.
Michael Gwynn died in 1976.
William Gwynn died in 1897.
Lucius Gwynn was born in 1873.
John Gwynn died in 1786.