In 1856 he married Caroline Cozens - Hardy who changed their surnames by royal licence in 1842 to Cozens - Hardy .
Caroline Cozens - Hardy is the eldest daughter of William Hardy and Sarah Cozens of Letheringsett Hall .
In 1856 he married Caroline Cozens - Hardy , the eldest daughter of William Hardy and Sarah Cozens of Letheringsett Hall , who changed their surnames by royal licence in 1842 to Cozens - Hardy .