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Baroness Charlotte Sophie von Platen und Hallermund (1669-1725) |
Not contented to live the rest of his life as a common Wisconsin farmer, ten years later for his daughter Mary's death certificate Johann Plath gave his surname as "von Platho." His father and brother and his children and grandchildren were all from birth surnamed "Plath," none of them "von Plath," or "von Platho," which sounds like a made-up name anyway. But it's a real name.
Sylvia Plath's paternal line shared its home territory with generations of nobles surnamed von Platho, von Platen, von Plotho, von Plato (many scholars have that name), von Plathe -- all from the German root "plat," meaning "flat." The "plat"-rooted names were geographical, "von" meaning "from." So all those names, which in German sound much alike, mean "from the lowlands of northern Germany." That area's also called Pomerania, which is Polish and means "on the sea."
While everyone wishes to have noble or royal ancestry, and Johann Plath, Otto Plath's illiterate grandfather, was a status seeker, no evidence links Sylvia Plath with Prussian or German gentry. German chancellor Otto von Bismarck in the 1870s and 1880s liked handing out the "von" title to flatter and keep the loyalty of wealthy industrialists and bureaucrats, but Sylvia's family of farmers and small-town blacksmiths was unlikely to receive even that lowest of noble titles. The surname "Plath," with no "von," is very very common.