Algernon Douglas-Pennant (1872-1925) (1872–1925) Parents Archibald Charles Henry Douglas-Pennant Harriet Ella Gifford Children Mariella Douglas-Pennant Siblings Rachel Douglas-Pennant Muriel FitzRoy, 1st Viscountess Daventry Claud Douglas-Pennant Edric Douglas-Pennant Archibald Douglas-Pennant Frank Douglas-Pennant, 5th Baron Penrhyn Partners Grace Talcott Morgan