Bowen was married twice.

His first wife was Contessa Diamantina di Roma, only daughter of Count Candiano di Roma.
They had the following children:
first child, a son who died when twelve days old, born in the Ionian Islands
Adelaide Diamantina (Nina) Bowen, born 17 August 1858 in the Ionian Islands
Zoe Caroline Bowen, born 28 August 1860 at Adelaide House (the temporary Government House), Brisbane, Queensland
Agnes Herbert Bowen, born 26 July 1862 at the first Government House in Brisbane
George William Howard Bowen, born 9 April 1864 at the first Government House, in Brisbane
Alfreda Ernestina Albertina Bowen, born 10 April 1869 at Old Government House, Auckland, New Zealand
Diamantina died in London in 1893 at about the age of 60.

George married his second wife, Letitia Florence White, in late 1896 at Chelsea, London.
Florence was the daughter of Dr Thomas Luby, a mathematician, and was the widow of Henry White, whom she had married in 1878.

George Ferguson Bowen died on 21 February 1899 in Brighton in Sussex, aged 77 years old.
He died from bronchitis after a short illness of two days.
He was buried on 25 February 1899 in Kensal Green cemetery in London.
Bowen was married twice.
His first wife was Contessa Diamantina di Roma, only daughter of Count Candiano di Roma. They had the following children:
first child, a son who died when twelve days old, born in the Ionian Islands
Adelaide Diamantina (Nina) Bowen, born 17 August 1858 in the Ionian Islands
Zoe Caroline Bowen, born 28 August 1860 at Adelaide House (the temporary Government House), Brisbane, Queensland
Agnes Herbert Bowen, born 26 July 1862 at the first Government House in Brisbane
George William Howard Bowen, born 9 April 1864 at the first Government House, in Brisbane
Alfreda Ernestina Albertina Bowen, born 10 April 1869 at Old Government House, Auckland, New Zealand
Diamantina died in London in 1893 at about the age of 60.
George married his second wife, Letitia Florence White, in late 1896 at Chelsea, London. Florence was the daughter of Dr Thomas Luby, a mathematician, and was the widow of Henry White, whom she had married in 1878.
George Ferguson Bowen died on 21 February 1899 in Brighton in Sussex, aged 77 years old. He died from bronchitis after a short illness of two days. He was buried on 25 February 1899 in Kensal Green cemetery in London.
George Bowen