He married the Hon. Elizabeth Massy, widow of John Arthur of Seafield, and daughter of Hugh Massy, 1st Baron Massy and his first wife Mary Dawson, and had a son, Sir Richard Eyre Cox, 4th Baronet.
He married the Hon. Elizabeth Massy, widow of John Arthur of Seafield, and daughter of Hugh Massy, 1st Baron Massy and his first wife Mary Dawson. They had a son, Sir Richard Eyre Cox, 4th Baronet.