See also

• Gertrude WILLIS's parents: William WILLIS (1845-1904) and Caroline PAKEMAN (1849-1919)
• Gertrude WILLIS's siblings: Lucy Etta WILLIS (1871- ), William WILLIS (1872- ), Leonard WILLIS (1874- ), James WILLIS (1876- ), Henry WILLIS (1879- ), Arthur WILLIS (1882- ), Ernest WILLIS (1884-1960), Albert WILLIS (1885- ), Ernest WILLIS (1889- ) and Bertram WILLIS (1894-1984)