Agatha (?)1 
Children of Agatha (?) and Conrad, Duke of Mazovia
- Boleslaw I, Duke of Mazovia1 b. 1208, d. 1248
- Casimir I, Duke of Kuiavia+1 b. 1211, d. 1267
- Ziemovit I, Duke of Mazovia1 b. 1224, d. 1262
- Judith Piast1 b. 1226, d. a 1257
- [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.
Svyatoslav, Prince of Vladimir1
Child of Svyatoslav, Prince of Vladimir
- Agatha (?)+1 d. a 1247
- [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.
Boleslaw I, Duke of Mazovia1 
He was a member of the House of Piast. He gained the title of Duke of Mazovia.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.
Gertrud of Wroclaw1 
- [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.
Heinrich II, Duke of Wroclaw1

He gained the title of Duke of Wroclaw.2
Children of Heinrich II, Duke of Wroclaw
- Gertrud of Wroclaw1 d. bt 1244 – 1247
- Constance of Wroclaw+1 d. 1257
Child of Heinrich II, Duke of Wroclaw and Anne of Bohemia
- Elisabeth of Wroclaw+3 d. 1265
- [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.
- [S16] Louda and MacLagan, Lines of Succession, table 86.
- [S16] Louda and MacLagan, Lines of Succession, table 132.
Anastasia of Bielsko1
- [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.
Alexander of Bielsko , Duke of Bielsko1
Child of Alexander of Bielsko , Duke of Bielsko
- [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.
Judith Piast1 
- [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.
Miesko II, Duke of Opole1 
He gained the title of Duke of Opole.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.
Heinrich III, Duke of Wroclaw1 
He gained the title of Duke of Wroclaw.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.
