Jacob Benjamin Gyllenhaal was born on December 19, 1980, in Los Angeles, California, to film producer and screenwriter Naomi Foner (née Achs) and film director Stephen Gyllenhaal. Actress Maggie Gyllenhaal, his older sister, appeared with him in the film "Donnie Darko". Gyllenhaal's father, who was raised as a Swedenborgian, is of Swedish and English descent and is a descendant of the Swedish noble Gyllenhaal family. His last ancestor to be born in Sweden was his great-great-grandfather, Anders Leonard Gyllenhaal. Gyllenhaal's mother is Jewish, and was born in New York City to a Jewish family from Russia and Poland. Gyllenhaal has said that he considers himself Jewish. On his 13th birthday, Gyllenhaal performed a "Bar Mitzvah-like act, without the typical trappings", volunteering at a homeless shelter because his parents wanted to give him a sense of gratitude for his privileged lifestyle.