Joan Henrica Josepha Mary Clare Lyon-Dalberg-Acton
(1915-1995) (–)
Parents
Children
Siblings
- Gabrielle Marie Leopoldine Lyon-Dalberg-Acton
- Ædgyth Bertha Milburg Mary Antonia Frances Lyon-Dalberg-Acton
- Dorothy Elizabeth Anne Pelline Lyon-Dalberg-Acton
- Margaret Mary Teresa Lyon-Dalberg-Acton
- Marie Immaculeé Antoinette Lyon-Dalberg-Acton
- Richard William Heribert Peter Lyon-Dalberg-Acton
- Helen Lyon-Dalberg-Acton
- John Lyon-Dalberg-Acton, 3rd Baron Acton