Family
- grandfather Oliver Bridges: Maternal grandfather; founded and operated the Reading Repertory
- grandmother Linda Bridges: Maternal grandmother; founded and operated the Reading Repertory
- father Roger Winslet:
- mother Sally Winslet:
- uncle Robert Bridges: Appeared in the original West End production of "Oliver!"
- sister Anna Winslet: Born in 1972
- brother Joss Winslet: Born in 1980
- daughter Mia Threapleton: Born Oct. 12, 2000; father, Jim Threapleton
- sister Beth Winslet: Born in 1978
- son Joe Mendes: Born Dec. 22, 2003; father, Sam Mendes
Companions
- Rufus Sewall: had three month "affair" in 1995
- Sam Mendes: went public with relationship in November 2001
- Stephen Tredre: met in 1991 when they appeared together in the BBC sitcom "Dark Season"; born c. 1963; died in December 1997 from bone cancer at age 34; together until c. 1995
