Johann Georg IV von Sachsen, Kurfürst, f. 18 Okt 1668, Dresden, Sachsen, Deutschland (HRR) d. 27 Apr 1694, Dresden, Sachsen, Deutschland(HRR) (Alder 25 år)
Sir William Dutton Colt, the English envoy to Dresden from 1689, was her godfather.
Born; Frederick Peter (Fryderyk Piotr; 1729X1788). general
Antonina, married Ignacy Malczewski;
Marianna, married Antoni Tomkowicz;
Josepha (Józefa), a nun
Through her daughter Antonina, she was the great-grandmother of Polish romantic poet Antoni Malczewski.
Wilhelmina Maria Frederica inherited her mother's title, Countess of Rochlitz. XAs to the childXs status, she was heiress as of right to her mother, since the patent elevating Billa to countess applied also to her offspring, whether born in or out of wedlock. And she was also a legitimate daughter of John George, inasmuch as he considered himself married to Billa, as well as to Eleonore.X
1693 - Ca 1730 (36 år)
d. 27 Apr 1694, Dresden, Sachsen, Deutschland(HRR)