Original sentence: Her father was a lithographic printer, and her mother ran a boarding house in Brixton; Kathleen was their third daughter.She was educated at Lady Datchelor School, London, before attending  King's College, London
Edited sentence: Her father, Philip, was a lithographic printer, and her mother, Ellen, ran a boarding house in Brixton; Kathleen was their third daughter.She was educated at Mary Datchelor Girls' School (now closed), London, before attending  King's College, London