One of the von Cotzhausen pioneers functioned in Milwaukee as a consular agent for (var.) German states. It appears from the German papers that legal staff at banks, private law offices, etc. functioned in this capacity at various times.
There are entries in the local German newspapers for this family group. Contact me for citations of death notices and obits.
"Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).
Gary Rebholz, compiler/editor
Indexing Milwaukee's German newspapers continuously since 2007 ...