According to the record at Nova Scotia Vital Statistics:https://novascotiagenealogy.com/TermsConditions.aspx
Robert Joseph Muise b. 30 April 1915
son of George Muise and Esther Leblanc
died 17 Aug 1951
Verdict of jury was drowning, circumstance unknown
There is a record at the same site for
George A. Muise
Mary E. Leblanc
The image of the original marriage certificate will
show their parents.
Also see Gerald Eugene Muise d. 1941 at Digby.