Who is Deborah Allcourt-St. James from A Great Deliverance and what is their importance?

Deborah Allcourt-St. James is the wife of forensic expert Simon Allcourt-St. James. Deborah is a photographer whose father worked as one of Simon's servants. Deborah is a former girlfriend of Inspector Lynley who chose Lynley's friend over him. Deborah Allcourt-St. James is aware that Tommy Lynley still has feelings for her, and she makes every effort to put Lynley at ease with her marriage to Simon. Deborah Allcourt-St. James is a very gentle and beautiful woman. She is rather slim and has long red hair.