Hi Elaine, I wouldn't put much credence in the family tree you found because there are no sources listed. That information could have come from anywhere. You can contact the submitter and ask him/her where they found the info. Just click on their name at the top of the Family Tree. They might be related.
I searched Ancestry and FamilySearch but didn't find any additional info. I think he might be alive.
On the first page, you said he was born 21 Aug 1928 but on the second page, you say he was born 24 Aug 1930.
Sorry I couldn't be of more help. Successful Searching!