Katharine Houghton Hepburn was the second of five children born to Katharine and Thomas Hepburn. One of her siblings, an older brother, committed suicide, and she used his birthday as her own for years. She was an actress even as a child. When she was eight years old, she cast and presented a dramatization of "Uncle Tom's Cabin" with the neighborhood children. Hepburn's career in Hollywood spanned six decades. She was nominated for twelve Academy Awards during her film career and received four Oscars for Best Actress for her roles in "Morning Glory" (1933), "Guess Who's Coming To Dinner" (1967), "The Lion In Winter" (1968), and "On Golden Pond" (1981). Three of those she received after she was 60 years old. Hepburn starred with Spencer Tracy in nine films and had a lengthy relationship with him which ended with his death. Her autobiography "Me" Stories Of My Life" was published in 1991.

from http://ksks.essortment.com/katherinehepbur_ots.htm and www.imdb.com