No, they are not brothers. In an interview with The Independent newspaper's Brian Viner (Friday, 26 January 2007), Duncan Jones was quoted as saying ""Me and Adam are quite often taken for brothers just because we've both got long curly hair". In fact Adam's full name is Adam Rhys-Jones while Duncan is just a Jones.
no they are not brothers
Adam Duncan was born on July 1, 1731.
Austin Duncan-Jones died in 1967.
Elsie Duncan-Jones died in 2003.
Arthur Duncan Jones was born in 1879.
Katherine Duncan-Jones was born in 1941.
Richard Duncan-Jones was born in 1937.
Elsie Duncan-Jones was born in 1908.
Arthur Duncan Jones died in 1955.
Austin Duncan-Jones was born in 1908.
A S. Duncan-Jones has written: 'Archbishop Laud'
Adam Duncan died on August 4, 1804 at the age of 73.