Helen Thornycroft was born in 1848.
Helen Thornycroft died in 1937.
Mary Thornycroft was born in 1814.
Thomas Thornycroft was born in 1815.
Hamo Thornycroft was born in 1850.
Guy Thornycroft was born in 1917.
Theresa Thornycroft was born in 1853.
John Edward Thornycroft was born in 1872.
John Isaac Thornycroft was born in 1843-02.
Mary Thornycroft died in 1895.
Thomas Thornycroft died in 1885.
Hamo Thornycroft died in 1925.
Guy Thornycroft died in 1999.