His brothers and sisters are Joseph Fiennes , Sophie Fiennes , Martha Fiennes , Magnus Fiennes and Jacob Fiennes . The eldest of six children , his siblings are actor Joseph Fiennes ( Shakespeare in Love , Luther , FlashForward ) ; Martha Fiennes , a director ( in her film Onegin , he played the title role ) ; Magnus Fiennes , a composer ; Sophie Fiennes , a filmmaker ; and Jacob Fiennes , a conservationist .