Following his death, his body was returned to Washington DC on the  and was laid in state at the White House on December 16; he was subsequently buried in New York City. In a letter to his wife shortly after Gennerich's death, Franklin Roosevelt wrote "Good old Gus was the kind of loyal friend who simply cannot be replaced".
Following his death, Roosevelt's body was returned to Washington DC on the  and held in a public display at the White House on December 16; he was subsequently laid to rest in New York City. In a letter to his wife shortly after Gennerich's passing, Franklin Roosevelt expressed his sentiments about Gus being an irreplaceable friend.