in 1846, fraser married caroline rosetta daughter of beaumont dixie small, a surgeon in the bengal medical service, at madras. they had two sons alexander (born 1848) and campbell (born 1850), both of whom joined the british army. in 1860 they separated but were not legally divorced and caroline returned to england where she became a novelist. fraser retired in 1886 and then lived with monica stores smith and they had two sons, one of them being bruce austin fraser who became a celebrated admiral in the royal navy. he died at rochford, essex and is buried in st. margaret's churchyard, downham, chelmsford borough.