Leslie's birth is registered as Leslie Eric Trethaway but no father's name is given. His mother was still married to William Treadaway in 1892.
William Treadaway's death certificate, of 1898, states that he had no children.
Leslie gave William Snelling as his father in public documents.
'Gelling, Leslie Eric (1892–1948)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/gelling-leslie-eric-24047/text32884, accessed 8 February 2023.
1892
Richmond, Melbourne, Victoria, Australia
August,
1948
(aged ~ 56)
Richmond, Melbourne, Victoria, Australia