Hi Jean,
Death Registration:
12332/1913 HOLMES JOSEPH SAMUEL HELEN BRAIDWOOD
If you were to purchase that death certificate, then it might have some useful information on it. Whoever registered his death, was fairly accurate with the names of his parents.
There is a Will, for Samuel HOLMES, that you can purchase in NSW, from NSW State Records Archives Investigator Website, if the Braidwood fellows, turn out to be your relations.
HOLMES S Major's Creek 27/07/1911 10/10/1911 [19/10234] 3031 -
It costs about $35, and you order online.
http://www.records.nsw.gov.au/state-archives/indexes-onlineMary