Stephen Roark Gyllenhaal was born 4 October 1949 in Cleveland, Ohio, United States to Hugh Anders Gyllenhaal (1921-1979) and Virginia Lowrie Childs (1924-2008) . He married Naomi Achs (1946) 4 July 1976 . He married Kathleen Kwai Ching Man (1974) July 2011 in Oahu, Hawaii.
Children
| Name | Birth | Death | Joined with |
| Maggie Gyllenhaal (1977) | 16 November 1977 New York City, New York County, New York, United States | Peter Sarsgaard (1971) | |
| Jacob Benjamin Gyllenhaal (1980) | 19 December 1980 Los Angeles, Los Angeles County, California, United States | ||
Residences
Footnotes (including sources)
| ‡ General |
| ₪ Wedding |
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