See also

• Constance HAY's parents: George HAY-DRUMMOND (1827-1897) and Emily Blanche Charlotte (Lady) SOMERSET (1828-1895)
• Constance HAY's siblings: George Robert HAY ( - ), Francis George HAY ( - ), Archibald HAY ( - ), Alistair George HAY ( - ), Claude George Drummond HAY ( - ), Muriel Henrietta Constance HAY ( - ) and Celia Evangeline Constance HAY ( - )