Mercedes was the name of the daughter of one of the founders of the Mercedes Benz company
Mercedes - Wikipedia, the free encyclopedia
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"On June 23, 1902, ‘Mercédès’ was lodged as the trade name and this was legally registered on September 26. From June 1903, Emil Jellinek obtained permission to call himself Jellinek-Mercedes, commenting that “this is probably the first time a father has taken his daughter’s name.”