Thomas Simson died in 1764.
Thomas Simson Pratt died on 1879-02-02.
Thomas Simson was born in 1696.
Thomas Simson Pratt was born in 1797.
Sampson Simson died in 1857.
Ivan Simson died in 1971.
Ronald Simson died in 1914.
William Simson died in 1847.
John Simson Woolson died in 1899.
Harold Fraser-Simson died in 1944.
Robert Simson died on October 1, 1768 at the age of 80.
Eduard von Simson died on 1899-05-02.
Geoffrey Spicer-Simson died on 1947-01-29.