Brian Thomas Borthwick

(1920-1989) (1920–1989)

Parents

• Ruth Margery Rigby
• William Borthwick

Children

• Sara Marjorie Borthwick
• Timothy Michael Borthwick
• Charles Thomas Borthwick
• Nicholas James Borthwick
• Simon William Frederick Borthwick

Siblings

• Margaret Ruth Borthwick
• Elinor Valerie Borthwick
• William Jason Maxwell Borthwick

Partners

• Jennifer Ruth Fryer