<P> High school student (Seasons 1 - 4) </P> <Tr> <Th> Family </Th> <Td> Giuseppe Salvatore (father) Lillian (Lily) Salvatore (mother) Damon Salvatore (brother) Caroline Forbes - Salvatore (wife) Zach Salvatore (nephew) Silas (ancestor) Tom Avery (doppelgänger of) </Td> </Tr> <Tr> <Th> Significant other (s) </Th> <Td> Katherine Pierce (ex-girlfriend) Valerie Tulle (ex-girlfriend) Rebekah Mikaelson (few encounters) Elena Gilbert (ex - girlfriend / friend) Caroline Forbes (wife) </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Silas (Doppelgänger of) Sarah Salvatore (great - niece) </Td> </Tr>

When does stefan turn his humanity off in season 3