Ziemovit IV Piast
Ziemovit IV was born before 1357.  He died on April 30th, 1426.

 Alexandra Of Lithuania
Alexandra Of was born about 1370.

 Euphemia Piast
Euphemia was born about 1392.  She died in 1447.

 Cimburka Piast
Cimburka was born in 1394.  She died at the age of 35 on September 28th, 1429.

 Maria Piast
Maria was born about 1410.  She died on February 18th, 1454.