| − | Following Knowland's suicide, his son Joseph took over as the editor-in-chief and publisher of the ''Oakland Tribune''.<ref name=josephwknowlandmercurynewsobituary/> | + | Following Knowland's suicide, his son Joseph W. took over as the editor-in-chief and publisher of the ''Oakland Tribune''.<ref name=josephwknowlandmercurynewsobituary/> Known as Joe Knowland, he died in 2019 at the age of eighty-eight. |