He married Elizabeth Somery , the daughter and heiress of John Somery of Bygrave , Hertfordshire .
Walden was the son of Alexander Walden and the nephew of the MP , Humphrey Walden .
Walden married Elizabeth Somery , the daughter and heiress of John Somery of Bygrave , Hertfordshire .
Walden was the son of Alexander Walden and the nephew of the MP , Humphrey Walden .