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Ernst Werner Siemens, the full name of Werner von Siemens, reflects his birth name and later ennoblement. Born as Ernst Werner Siemens, he was recognized for his contributions to electrical engineering and industrial development. In 1888, he was elevated to the nobility and received the title "von," becoming Werner von Siemens. This honorific became part of his surname, distinguishing him as a prominent figure in German industry and innovation.