Montagu married firstly Ellen Cromie, born in 1825, daughter of John Cromie, at Portstewart on 12 February 1850. They had four children although their first son, John, died as a child. Ellen died aged 32 on 11 July 1857 at
Portstewart,
County Londonderry. Montagu remarried in
London on 18 October 1862 to Elizabeth Wade (
Holton,
Suffolk, 15 May 1839 –
London, 29 December 1908), daughter of William Wade of
Holton,
Suffolk, and had six more children. This second marriage scandalized society, since the former Betsy Wade had been a housemaid when Montagu met her. Montagu died 6 May 1902 and was buried in
Kensal Green Cemetery. ==References==