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Gustave Haenschen died on March 26, 1980, in Norwalk, Connecticut, USA.
Gustave Haenschen was born on November 3, 1889, in St Louis, Missouri, USA.
The possessive form for the proper noun Gus is Gus's.
Example: We're invited to Gus's backyard barbecue.
The plural form of Gus is Gus's.
Gus Hansen goes by Gattling Gus, The Poker Tramp, Gamblin' Gus, Mad Gus, and The Great Dane.