Julie † (biological mother) Mr & Mrs Brett (adoptive parents) Amelia (maternal half-sister)
In a relationship with Matthew Casey
Matthew Casey (boyfriend) Kyle Sheffield (ex-fiancé) Greg Grainger (dated) Antonio Dawson (ex-boyfriend) Dr. Pete Calhoun (one date) Joe Cruz (ex-boyfriend)
aramedic in-charge, Affiliation Ambulance 61 / Firehouse 51, Department Chicago Fire Department
She was born to a teenage mother named Julie, who gave her up for adoption.
Her favorite movie is "La la land" which was revealed in The Tendency of a Drowning Victim.
Ever since she moved out from the apartment she shared with Cruz, Foster (and Otis formerly), she lives in no. 4B.
No, Brett is not pregnant.
'Chicago Fire' Season 10: Sylvie Brett Has a 'Hard' Time Dating Matt Casey Long-Distance, Showrunner Teases
Brett and the chaplain's relationship always seemed to be crafted as an obstacle to getting her together with Casey.
The baby survives and Sylvie becomes a half-sister to a baby girl name Amelia.