Simplify the following text for a Grade 4 native English-speaking person.
Original: He married Gretchen Frances Hahnen ( 1902 â `` 1986 ) in New York City on June 2 , 1934 at the New York Municipal Building in Manhattan .
Simplified: He married Gretchen Hahnen ( 1902-1986 ) in New York City on June 2 , 1934 .