Following his father's death in 1844, Joseph lived the life of a gentleman. He and his wife did not have any children.
'Underwood, Joseph Edward (1813–1850)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/underwood-joseph-edward-25192/text33671, accessed 14 April 2021.
8 August 1813
Sydney, New South Wales, Australia
10 October 1850
North Shore, Sydney, New South Wales, Australia