Interesting that F. Zetteler's English language obit. does not include mention of the elderly Bourghelles relative. The "royalty" connection may have been discounted by the reporter as family lore. The German obit. reads: "his grandmother was a French Baroness named de Bourghelles".
Milwaukee's German Newspapers; an index of death notices and related items; 1844-1930, addenda 1931-1950