See also

• Gertrude TIDDEMAN's parents: Edmund Spenser TIDDEMAN (1832-1898) and Harriet SPOONER (1832-1914)
• Gertrude TIDDEMAN's siblings: Elizabeth R S TIDDEMAN (1860- ), Edmund Spenser TIDDEMAN (1861-1937), Alice L TIDDEMAN (1863- ), William H S TIDDEMAN (1864- ), Harriet E TIDDEMAN (1866- ), Philip Johnstone Spenser TIDDEMAN (1870-1956) and Norah M TIDDEMAN (1875- )