Henry Albert de Vreque O'Brien-ffrench, 1st Marquess of Castel Thomond

(1862-1933) (1862–1933)

Parents

• Anna Clarke Watton
• Acheson Jeremy Sydney ffrench

Children

• Winifred Gisela Yvonne Castelthomond O'Brien-ffrench
• Alexis Evelyn Henry O'Brien-ffrench
• Rollo Adrien Vladimir Thursby Marie Altieri O'Brien-ffrench
• Conrad O'Brien-ffrench

Siblings

• Emily ffrench
• Anna ffrench
• Alice ffrench
• Marianne ffrench
• Harriet Maria ffrench
• Nichola Frances ffrench
• Amy ffrench
• Robert Percy ffrench
• John Ludlow ffrench
• Lucius ffrench
• Edward Victor ffrench
• Acheson Evelyn ffrench

Partners

• Winifred Thursby