Isaak II Angelos, Emperor of Constantinople1 
Isaak II Angelos, Emperor of Constantinople was born in 1155.3 He was the son of Andronikos Doukas Angelos.4 He married Margaret Arpád, daughter of Béla III Arpád, King of Hungary and Agnes de Châtillon, in 1185.3 He died in 1204.3
He succeeded as the Emperor Isaak II of Constantinople in 1185.5 He was deposed as Emperor of Constantinople in 1195.4 He succeeded as the Emperor Isaak II of Constantinople in 1203.1
Children of Isaak II Angelos, Emperor of Constantinople
- Theodora Angelina+5 d. 1246
- Alexius IV Angelos, Emperor of Constantinople4 d. 1204
- Irene Angelina+1 b. c 1172, d. 27 Aug 1208
- [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.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S16] Louda and MacLagan, Lines of Succession, table 89.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 52. Hereinafter cited as Dynasties of the World.
- [S16] Louda and MacLagan, Lines of Succession, table 77.
Heinrich von Hohenstaufen, King of the Romans1 
He gained the title of Re Enrico di Sicilia in 1212.2 He succeeded as the King Heinrich of the Romans in 1220.3,4
- [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.”
- [S16] Louda and MacLagan, Lines of Succession, table 113.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 123. Hereinafter cited as Dynasties of the World.
Conrad IV von Hohenstaufen, King of Sicily1 
He succeeded as the King Conrad II of Jerusalem in 1228.3 He succeeded as the King Conrad IV of the Romans in 1250.1 He succeeded as the King Konrad I of Sicily in 1250.1
Children of Conrad IV von Hohenstaufen, King of Sicily and Elisabeth von Wittelsbach
- Agnes von Kärnten+ d. 14 May 1293
- Otto II Herzog von Kärnten d. 1310
- Albrecht von Hohenstaufen d. 1292
- Ludwig von Hohenstaufen d. 1305
- Conradin von Hohenstaufen, King of Sicily1 b. 25 Mar 1252, d. 29 Oct 1268
- [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 172. Hereinafter cited as Dynasties of the World.
Agnes von Österreich 
Child of Agnes von Österreich and Albrecht I Herzog von Sachsen
- Jutta von Sachsen+ d. c 1250
- [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.
Friedrich II Herzog von Österreich1

Friedrich II Herzog von Österreich also went by the nick-name of Friedrich ‘the War-like’.2 He succeeded as the Herzog von Österreich in 1230.1
- [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.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 130. Hereinafter cited as Dynasties of the World.
Sophia of Constantinople1
- [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.
Basil I ‘the Macedonian’, Emperor of Constantinople1 
He held the office of Co-regent of Constantinople in 866.1 He gained the title of Emperor Basil I of Constantinople in 867.1
Children of Basil I ‘the Macedonian’, Emperor of Constantinople
Agnes von Andechs-Meranien1 
- [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.”
Getrud Babenberg1
- [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 Raspe Markgraf von Thüringen1 
He gained the title of Margraf von Thüringen.1 In 1246 he claimed the crown of Holy Roman Emperor.4
- [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.
- [S16] Louda and MacLagan, Lines of Succession, table 113.
- [S37] BP2003 volume 2, page 2692. See link for full details for this source. Hereinafter cited as. [S37]
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 123. Hereinafter cited as Dynasties of the World.
