Re: Wade Owen Watts
In some European names it is a middle one for disambiguation with other members of their lineage. In others it is non-hyphenated family names from some point in their genealogical tree.
Johann Sebastian Bach. Frank Lloyd Wright.
There was a time in the 20th century when people were often referred to informally by their initials - like "C.J".
The most confusing to an outsider can be the English public school suffix to indicate age ranking of overlapping pupils from the same family eg "major", "minor".