Kingcombe had three children, Louisa, Ellen Clara and Frederick Maitland.
Frederick Maitland, died at sea in 1847, he was 15 and a midshipman on board his father’s ship The Bellisle.
His daughter Louisa Teresa was born in 1835, Newton Ferrers, Devon. In 1857 she married George Bell Williams born 1806 in Falmouth, Cornwall. He was a naval captain with a substantial service record. She died in Exeter in 1864; her husband died in Plymouth, at John Kingcombe’s house 5 Windsor Villas, in 1871. They had three surviving children Eva Amy b.1861, Charles W. b.1862 and Florence L. b.1863. Eva Amy Williams married Swinton Colthurst Holland in 1881 who, like her grandfather, was to become an Admiral.
Ellen Clara b. 1838, m. Ellis Frederick Thorold, b. 1831 s. Rev. Henry Baugh Thorold and Julia Ellis dau. John Thomas Ellis M.P. He graduated from Oxford in 1851, M.A. in 1854 and MD 1862 Edinburgh d. 1887. In 1888 she married Edward Serle Thorold b. 1814. He had been widowed a year previously. (Neither of Ellen’s marriages appears to have issue) She must to have taken care of her sister’s children after her death, in the 1881 census they are all living at 5 Windsor Villas. In 1891 Florence and Charles are living with Ellen and her second husband at Victoria Park in Exeter. Charles is described as ‘living on his own means.’