Complex sentence: She became one of the longest running characters to feature in the soap, but eventually quit in 1998, and made a brief return in 1999 to aid the departure of actor Ross Kemp, who played her character's brother-in-law, Grant Mitchell.
Split into simpler sentences: She became one of the longest running characters to feature in the soap, but eventually quit in 1998. She made a brief return in 1999 to aid the departure of actor Ross Kemp, who played her character's brother-in-law, Grant Mitchell.