Ithell Colquhoun was born in 1906.
Ithell Colquhoun died in 1988.
Maureen Colquhoun was born in 1928.
Joe Colquhoun was born in 1926.
Patrick Colquhoun was born in 1745.
Colquhoun Campbell was born in 1813.
Glenn Colquhoun was born in 1964.
Christopher Colquhoun was born in 1970.
Ludovic Colquhoun was born in 1804.
Percy Colquhoun was born in 1866.
Ian Colquhoun was born in 1924.
A. R. Colquhoun was born in 1848-03.
William Colquhoun was born on 1814-12-23.