Her sister , Hilda Hahn , studied fine art and worked as an illustrator while her uncles , Emanuel and Paul Hahn , worked as sculptors and a musician , respectively .
Together they had three daughters , of whom Sylvia was the youngest .
Sylvia 's sister , Hilda Hahn , studied fine art and worked as an illustrator while her uncles , Emanuel and Paul Hahn , worked as sculptors and a musician , respectively .
Together they had three daughters , of whom Sylvia was the youngest .