I just saw name "Gluck" and wondered if it could be in any way cognate with "luck", so I searched. Here's what I found:

hi there, do you know the etymology of luck? if so, please send me any information on the word. Thanks you! Lia Rottman
luck - 15c. from M.Du. luc, shortening of gheluc "happiness, good fortune," of unknown origin. Perhaps first borrowed in Eng. as a gambling term.From: (02-28-02) See also: Elizabeth Barham
http://www.geocities.com/etymonline/l2etym.htm http://education.yahoo.com/reference/dictionary/entries/02/l0280200.html