Sir John O'Brien, 5th Bt.

(1899-1969) (1899–1969)

Parents

• Audrey Townsend Crawford
• Edmond Lyons O'Brien

Children

• Mary Clare O'Brien

Siblings

• Audrey Mary Elizabeth O'Brien
• Sir David Edmond O'Brien, 6th Bt.
• Edmond Robert Richard O'Brien

Partners

• Rosemary Grotrian
• Moira Brassey