Conrad I+ Piast
Conrad I+ was born about 1187.  He died in 1247.

 Agathe De+ Vladimir-Volinsk
Agathe De+ was born about 1190.  She died after 1247.

 Casimir III+ Piast
Casimir III+ was born in 1211.  He died after 1266.

 Eudoxia+ Piast
Eudoxia+ was born about 1213.

 Ziemovit I+ PIast
Ziemovit I+ was born in 1224.  He died at the age of 38 on June 23rd, 1262.

 Judith Piast
Judith was born in 1226.  She died after 1257.