Silja was born in Paris. Her mother was born in Memphis, home of the blues (her mother choose her first name after reading some old English poems. It was also the first name of a good friend of her) her father was a talented French blues piano player. She has one brother who is a journalist and lives in Florida. She grew up in Paris, London,Washington D.C., and Los Angeles (where she studied in a French school, before beginning sociology studies).