Wilhelm Przemyslide
Wilhelm was born about 1405.  He died on October 23rd, 1452.

 Salome Czastolowicz
Salome was born about 1410.  She died on February 26th, 1490.

 Katharina Przemyslide
Katharina was born in 1443.  She died at the age of 62 on April 14th, 1505.