KONRAD I PRINCE de MAZOVIA & KUJAVIA
KONRAD I PRINCE de MAZOVIA & was born in 1187.¹   He died at the age of 60 on August 31st, 1247.¹ 

 AGAFIYA SVYATOSLAVNA
AGAFIYA was born about 1193.¹   She died after August 31st, 1247.¹ 

 ZIEMOWIT I PRINCE de MAZOVIA
ZIEMOWIT I PRINCE was born in 1224.¹