<P> Sarah is the daughter of Gail ( Helen Worth ) and Brian Tilsley ( Christopher Quinten ) , sister to Nick Tilsley ( Warren Jackson , Adam Rickitt , Ben Price ) and half - sister to David Platt ( Thomas Ormson , Jack P. Shepherd ) , granddaughter to Audrey Roberts ( Sue Nicholls ) , Ted Page ( David Byrne ) and Bert and Ivy Tilsley ( Lynne Perrie ) and mother to Bethany ( Mia Cookson , Amy & Emily Walton , Lucy Fallon ) , Billy and Harry . Sarah 's storylines have included a controversial and ground - breaking underage pregnancy which saw her giving birth to Bethany Platt and saw Sarah deal with motherhood in her teens , internet grooming , her friendship with Candice Stowe ( Nikki Sanderson ) , her relationships with Todd ( Bruno Langley ) and Jason Grimshaw ( Ryan Thomas ) as well as her sibling rivalry between her and her half - brother David . Her exit storyline saw her leave Weatherfield to start a new life with Bethany in Milan . Her return storyline saw her track down Bethany who had run away from home and returned to Weatherfied . Since then Sarah 's storylines have included a relationship with Callum Logan ( Sean Ward ) , joining her brother David and sister - in - law Kylie Platt 's ( Paula Lane ) feud with him , being forced to cover - up his murder when Kylie kills him to save her , giving birth to his son Harry , suffering from postpartum psychosis , a relationship with Gary Windass ( Mikey North ) , being the victim of a scam by Pat Phelan ( Connor McIntyre ) , dealing with the discovery that Bethany is a victim of sexual exploitation by her adult boyfriend Nathan Curtis ( Christopher Harper ) , her grief when Gary is wrongly presumed dead , her anger upon learning his one - night stand with Nicola Rubinstein ( Nicola Thorp ) and her pregnancy , coming to terms with the fact that Bethany is a lapdancer , and rekindling her relationship with Gary . </P>
<P> Sarah is the daughter of Gail ( Helen Worth ) and Brian Tilsley ( Christopher Quinten ) , sister to Nick Tilsley ( Warren Jackson , Adam Rickitt , Ben Price ) and half - sister to David Platt ( Thomas Ormson , Jack P. Shepherd ) , granddaughter to Audrey Roberts ( Sue Nicholls ) , Ted Page ( David Byrne ) and Bert and Ivy Tilsley ( Lynne Perrie ) and mother to Bethany ( Mia Cookson , Amy & Emily Walton , Lucy Fallon ) , Billy and Harry . Sarah 's storylines have included a controversial and ground - breaking underage pregnancy which saw her giving birth to Bethany Platt and saw Sarah deal with motherhood in her teens , internet grooming , her friendship with Candice Stowe ( Nikki Sanderson ) , her relationships with Todd ( Bruno Langley ) and Jason Grimshaw ( Ryan Thomas ) as well as her sibling rivalry between her and her half - brother David . Her exit storyline saw her leave Weatherfield to start a new life with Bethany in Milan . Her return storyline saw her track down Bethany who had run away from home and returned to Weatherfied . Since then Sarah 's storylines have included a relationship with Callum Logan ( Sean Ward ) , joining her brother David and sister - in - law Kylie Platt 's ( Paula Lane ) feud with him , being forced to cover - up his murder when Kylie kills him to save her , giving birth to his son Harry , suffering from postpartum psychosis , a relationship with Gary Windass ( Mikey North ) , being the victim of a scam by Pat Phelan ( Connor McIntyre ) , dealing with the discovery that Bethany is a victim of sexual exploitation by her adult boyfriend Nathan Curtis ( Christopher Harper ) , her grief when Gary is wrongly presumed dead , her anger upon learning his one - night stand with Nicola Rubinstein ( Nicola Thorp ) and her pregnancy , coming to terms with the fact that Bethany is a lapdancer , and rekindling her relationship with Gary . </P>
who is sarah louise 's dad in coronation street
who is sarah louise 's dad in coronation street
Brian Tilsley ( Christopher Quinten )
Brian Tilsley ( Christopher Quinten )