Chamberlain married firstly, in 1872, Mary Dawes, daughter of the ironmaster Henry William Dawes of Kenilworth, and secondly, in 1887, Rahmen Theodora Swinburne, daughter of
Sir John Swinburne, 7th Baronet. His relative
Robert Francis Martineau was also a City of Birmingham alderman and a member of the
Birmingham University council. == References==