Mary Elizabeth Blackett Peerage person ID=464398 Parents Sir Edward Blackett, 6th Bt. Julia Monck Children Alice Mary Egerton Thomas Francis Egerton Siblings unknown daughter Blackett Louisa Blackett Sir Edward William Blackett, 7th Bt. Anna Maria Blackett unknown daughter Blackett Henry Wise Ridley Blackett Charles Francis Blackett Frederick Arthur Blackett Partners George Mark Leycester Egerton