John O'Brien Marsham Cokayne

Parents

• Grace Margaret Marsham
• Brien Cokayne, 1st Baron Cullen of Ashbourne

Children

Siblings

• Dorothy Grace Cokayne
• Barbara Mary Cokayne
• Edmund Willoughby Marsham Cokayne, 3rd Baron Cullen of Ashbourne
• Charles Cokayne, 2nd Baron Cullen of Ashbourne
• Ruth Margaret Cokayne