Maria Alberta Plater-Zyberk (born 1937) (b. 1937) Parents Count Jan Plater-Zyberk Countess Paulina Plater-Zyberk Children Pauline Fregnac Sabine Fregnac Isabelle Fregnac Siblings Countess Malgorzata Plater-Zyberk Countess Helena Plater-Zyberk Count Hubert Plater-Zyberk Count Eugene Plater-Zyberk Partners Jean Francois Fregnac