On 6 August 1837, he married Frances Elizabeth Cosby (1811–1841), a daughter of Thomas Cosby and Charlotte Elizabeth Kelly. Before her death on 25 March 1841, they were the parents of: • John de Burgh Rochfort (1838–1908), a Lieutenant in the
Royal Horse Artillery who married his stepmother's niece, Hilare Charlotte Hall, daughter of Hon. Catherine Louisa Hood and Henry Hall of
Barton Abbey, in 1863. • Horace William Rochfort (1839–1919), a captain in the
Royal Navy who married Elizabeth Dalway, daughter of
Marriott Robert Dalway, MP for
Carrickfergus, in 1882. • Thomas Francis Cosby Rochfort (1841–1901), a Colonel in the
4th European Light Cavalry who married Jane Alice Maddison Philpott, daughter of Richard Price Philpott and Emma Stapley Clowes, in 1889. Together, they were the parents of: • William Robert Hood Rochfort (1847–1940), who married Helen Blanche Palmer, daughter of Robert Samuel Palmer and Anna Maria Deane Spread, in 1875; he lived at
Cahir Abbey. • Sir
Alexander Nelson Rochfort (1850–1916), a Major-General in the
Royal Artillery who served as
Lieutenant-Governor of Jersey. • Amelia Catharine Rochfort (1851–1931), who married Thomas Pakenham Law,
KC, son of Samuel Law and Sarah Pakenham, in 1871. Rochfort died on 16 May 1891, at age 81, at 30 Upper Merion Street,
Dublin, Ireland. ==References==