I Konrad
I was born about 1226 in Wroclaw, Wroclaw, Poland.  He died on August 6th, 1273.

 Princess of Kalisch and Great Poland Salomea
Princess of Kalisch and Great Poland was born about 1221 in Poznan, Poznan, Poland.  She died in April 1265.

 III Henryk
III was born about 1253 in Glogau, Zielona Gora, Poland.  He died on December 9th, 1309.