Complex sentence: Plowright was born in Brigg, was educated in Scunthorpe and is currently the President of Scunthorpe Little Theatre Club, which was founded by her father Bill Plowright and which staged the theatre's first performance, Peer Gynt, in 1958.
Split into simpler sentences: Plowright was born in Brigg, educated in Scunthorpe, and is currently the President of "Scunthorpe Little Theatre Club". The club was founded by her father Bill Plowright and staged the theatre's first performance, Peer Gynt, in 1958.