Margarita Stonborough-Wittgenstein
Margarita Stonborough-Wittgenstein (nata in vico Neuwaldegg die 19 Septembris 1882; mortua Vindobonae 27 Septembris 1958) fuit clari philosophi Ludovicus Wittgenstein et clavilistae Pauli Wittgenstein soror.