Ladislas III Arpád, King of Hungary1 
He held the office of Co-regent of Hungary in 1204.2 He gained the title of King Ladislas III of Hungary in 1204.1
- [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 89. 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 159. Hereinafter cited as Dynasties of the World.
Sanchia de Castilla1 
Children of Sanchia de Castilla and Alfonso II Raimond, Rey de Aragón
- Fernando de Aragón1
- Eleanor de Aragón1
- Pedro II, Rey de Aragón+1 b. 1176, d. 13 Sep 1213
- Alfonso II, Comte de Provence+1 b. c 1177, d. Feb 1209
- Constanza de Aragón+1 b. 1179, d. 23 Jun 1222
- [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 45. Hereinafter cited as Lines of Succession.
Pedro II, Rey de Aragón1

Pedro II, Rey de Aragón also went by the nick-name of Pedro ‘the Catholic’.2 He succeeded as the Rey Pedro II de Aragón in 1196.1 He fought in the Battle of Murat on 13 September 1213.
Child of Pedro II, Rey de Aragón and Marie de Montpellier
- Jaime I, Rey de Aragón+1 b. 1205, d. 25 Jul 1276
- [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 45. 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 116. Hereinafter cited as Dynasties of the World.
Marie de Montpellier1 
Child of Marie de Montpellier and Pedro II, Rey de Aragón
- Jaime I, Rey de Aragón+1 b. 1205, d. 25 Jul 1276
- [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 45. Hereinafter cited as Lines of Succession.
Guillaume VIII de Montpellier, Comte de Montpellier1
Child of Guillaume VIII de Montpellier, Comte de Montpellier
- Marie de Montpellier+1 d. 1219
- [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 45. Hereinafter cited as Lines of Succession.
Fernando de Aragón1
- [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 45. Hereinafter cited as Lines of Succession.
Constanza de Aragón1 
Child of Constanza de Aragón and Emeric Arpád, King of Hungary
- Ladislas III Arpád, King of Hungary3 b. 1199, d. 1205
Child of Constanza de Aragón and Friedrich II von Hohenstaufen, Holy Roman Emperor
- Heinrich von Hohenstaufen, King of the Romans4 b. 1211, d. 12 Mar 1242
- [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 45. 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 89.
- [S16] Louda and MacLagan, Lines of Succession, table 113.
Mary Comnena1
- [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 89. Hereinafter cited as Lines of Succession.
Isabel de Brienne, Queen of Jerusalem1 
She was also known as Yolande.1 She succeeded as the Queen Isabel II of Jerusalem in 1212.1,3
Child of Isabel de Brienne, Queen of Jerusalem and Friedrich II von Hohenstaufen, Holy Roman Emperor
- Conrad IV von Hohenstaufen, King of Sicily+2 b. 28 Apr 1228, d. 21 May 1254
- [S8] BP1999 volume 1, page 227. See link for full details for this source. Hereinafter cited as. [S8]
- [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.
- [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.
Eleanor de Aragón1
- [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 45. Hereinafter cited as Lines of Succession.
