See also

• Elfrida PETHICA's parents: Frederick Edward PETHICK (PETHICA) (1843- ) and Charlotte Louisa PUJOL (1857- )
• Elfrida PETHICA's siblings: Ellen Anguster PETHICA (1875-1910), Maud Beatrice PETHICA (1877-1877), Frederick PETHICA (1878- ), Mary Louisa PETHICA (1881- ), Edward Napier PETHICA (1883-1884), Albert Ernest PETHICA (1885- ), Ethel PETHICA (1887- ), Agnes Edith PETHICA (1889- ), Minnie Hilda PETHICA (1894- ) and Margaret Ada PETHICA (1891-1893)