Ziemovit I, Duke of Mazovia1

He was a member of the House of Piast. He gained the title of Duke of Mazovia in 1248.1
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Pereiaslawa of Galicia1 
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Casimir I, Duke of Kuiavia1 
He was a member of the House of Piast.2 He gained the title of Duke of Kuiavia in 1233.1
Children of Casimir I, Duke of Kuiavia and Constance of Wroclaw
- Leszek II, Duke of Cracow1 b. bt 1240 – 1242, d. 1288
- Ziemomysl, Duke of Kuiavia+1 b. bt 1241 – 1245, d. 1287
Children of Casimir I, Duke of Kuiavia and Euphrosina of Opole
- Wladislaw I, King of Poland+1 b. 1260, d. 1333
- Casimir, Duke of Kuiavia1 b. 1261, d. 1294
- Ziemovit, Duke of Dobrzyn+1 b. bt 1262 – 1267, d. 1306
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 157. Hereinafter cited as Dynasties of the World.
Constance of Wroclaw1 
Children of Constance of Wroclaw and Casimir I, Duke of Kuiavia
- Leszek II, Duke of Cracow1 b. bt 1240 – 1242, d. 1288
- Ziemomysl, Duke of Kuiavia+1 b. bt 1241 – 1245, d. 1287
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Euphrosina of Opole1 
Children of Euphrosina of Opole and Casimir I, Duke of Kuiavia
- Wladislaw I, King of Poland+1 b. 1260, d. 1333
- Casimir, Duke of Kuiavia1 b. 1261, d. 1294
- Ziemovit, Duke of Dobrzyn+1 b. bt 1262 – 1267, d. 1306
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Casimir I, Duke of Opole1
Child of Casimir I, Duke of Opole
- Euphrosina of Opole+1 d. bt 1292 – 1293
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Leszek II, Duke of Cracow1 
He was a member of the House of Piast.2 Leszek II, Duke of Cracow also went by the nick-name of Leszek ‘the Black’.2 He succeeded as the Duke of Cracow in 1279.1
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 157. Hereinafter cited as Dynasties of the World.
Gryphina of Galicia1
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
Rostislaw of Galicia, Prince of Galicia1
Children of Rostislaw of Galicia, Prince of Galicia
- Gryphina of Galicia1
- Kunigarde of Galicia+2 b. 1245, d. 1285
Ziemomysl, Duke of Kuiavia1 
He was a member of the House of Piast. He gained the title of Duke of Kuiavia.1
Children of Ziemomysl, Duke of Kuiavia and Salome of Pomerelia
- Fennena Piast+1 b. 1276, d. 1295
- Leszek, Duke of Inowroclaw1 b. 1276, d. 1339
- Przemyslaw, Duke of Inowroclaw1 b. 1277, d. 1339
- Casimir III, Duke of Inowvoclaw+1 b. c 1278, d. bt 1343 – 1353
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 133. Hereinafter cited as Lines of Succession.
