Con O'Neill

British diplomat (1912–1988) (1912–1988)

Parents

• Hugh O'Neill, 1st Baron Rathcavan
• Sylvia Irene Sandeman

Children

• Rowan Peter Hugh O'Neill
• Onora O'Neill

Siblings

• Phelim O’Neill, 2nd Baron Rathcavan
• Nial Arthur Ramleh O'Neill

Partners

• Carola Hertha Adolfine Emma Harriet Luise Baronin von Holzing-Berstett
• Anne-Marie Ljungström
• Rosemary Margaret Pritchard