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Bill Everett was born on 1917-05-18.
Bill Erwin died on December 29, 2010 at the age of 96.
No, they are not related.
Rupert Everett was born as Everett
Kenny Everett was born as Cole
Bill Bixby's birth name is Wilfred Bailey Everett Bixby III.
Travis Everett's birth name is Travis Charles Everett.