Leopold V Herzog von Österreich1 
He succeeded as the Herzog von Österreich in 1177.1
Children of Leopold V Herzog von Österreich and Helen Arpád
- Friedrich I Herzog von Österreich1 b. 1174, d. 1199
- Leopold VI Herzog von Österreich+1 b. 1176, d. 1230
- [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 77. Hereinafter cited as Lines of Succession.
Helen Arpád1 
Children of Helen Arpád and Leopold V Herzog von Österreich
- Friedrich I Herzog von Österreich1 b. 1174, d. 1199
- Leopold VI Herzog von Österreich+1 b. 1176, d. 1230
Friedrich I Herzog von Österreich1 
He succeeded as the Herzog von Österreich in 1195.1
- [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 77. Hereinafter cited as Lines of Succession.
Heinrich II ‘Jasomirgott’ Herzog von Österreich1 
He succeeded as the Markgraf von Österreich in 1141.1 He succeeded as the Herzog von Bayern in 1143.3 He was deposed as Duke of Bavaria in 1156.3 He was created Herzog von Österreich in 1156.1
Children of Heinrich II ‘Jasomirgott’ Herzog von Österreich and Theodora Komnena
- Agnes Babenberg Prinzessin von Österreich+1 b. 1154, d. 13 Jan 1182
- Leopold V Herzog von Österreich+1 b. 1157, d. 1194
- Heinrich Babenberg, Duke of Mödling+1 b. 1158, d. 1233
- [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 77. Hereinafter cited as Lines of Succession.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 127. Hereinafter cited as Dynasties of the World.
Theodora Komnena1 
Children of Theodora Komnena and Heinrich II ‘Jasomirgott’ Herzog von Österreich
- Agnes Babenberg Prinzessin von Österreich+1 b. 1154, d. 13 Jan 1182
- Leopold V Herzog von Österreich+1 b. 1157, d. 1194
- Heinrich Babenberg, Duke of Mödling+1 b. 1158, d. 1233
- [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 77. Hereinafter cited as Lines of Succession.
Andronikos Komnena1
Child of Andronikos Komnena
- Theodora Komnena+1 d. 1184
- [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 77. Hereinafter cited as Lines of Succession.
Gerhard Graf von Supplinburg1
Child of Gerhard Graf von Supplinburg
- [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 113. Hereinafter cited as Lines of Succession.
Willem II Graaf van Hollant en Zeeland1 
He succeeded as the Graaf van Hollant in 1234.3 In 1247 he claimed the crown of Holy Roman Emperor.4
Child of Willem II Graaf van Hollant en Zeeland and Elisabeth von Braunschweig-Lüneburg
- Floris V Graaf van Hollant en Zeeland+3 b. Jul 1254, d. 27 Jun 1296
- [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 113. Hereinafter cited as Lines of Succession.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 91. Hereinafter cited as Dynasties of the World.
- [S38] John Morby, Dynasties of the World, page 123.
Agnes Babenberg Prinzessin von Österreich1 
Children of Agnes Babenberg Prinzessin von Österreich and Hermann II Herzog von Kärnten
- Ulrich II Herzog von Kärnten2 b. 1176, d. 10 Aug 1202
- Bernhard Herzog von Kärnten+2 b. 1180, d. 4 Jan 1256
- [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 77. Hereinafter cited as Lines of Succession.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
Hermann II Herzog von Kärnten1 
Children of Hermann II Herzog von Kärnten and Agnes Babenberg Prinzessin von Österreich
- Ulrich II Herzog von Kärnten1 b. 1176, d. 10 Aug 1202
- Bernhard Herzog von Kärnten+1 b. 1180, d. 4 Jan 1256
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [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 77. Hereinafter cited as Lines of Succession.