Henrith I (?)1
Child of Henrith I (?) and Maria (?)
- Boril, King of Bulgaria1 d. 1218
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Boril, King of Bulgaria1 
He succeeded as the King Boril of Bulgaria in 1207.1 He was deposed as King of Bulgaria in 1218.2
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 153. Hereinafter cited as Dynasties of the World.
Kaliman, King of Bulgaria1 
He succeeded as the King Kaliman I of Bulgaria in 1241.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Michael II, King of Bulgaria1 
He succeeded as the King Michael II of Bulgaria in 1246.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Kaliman II, King of Bulgaria1 
He succeeded as the King Kaliman II of Bulgaria in 1256.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 154. Hereinafter cited as Dynasties of the World.
Constantine Asen Palaeologus, King of Bulgaria1 
He succeeded as the King Constantine Asen of Bulgaria in 1257.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Irina of Constantinople1 
Child of Irina of Constantinople and John III Vatatzes, Emperor of Constantinople
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
- [S102] Roglo Geneweb Website, online <http://geneweb.inria.fr/roglo?lang=en>. Hereinafter cited as Roglo Geneweb Website.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 53. Hereinafter cited as Dynasties of the World.
Joseph Tiopira Duff1

He fought in the First World War.2
Ivailo, King of Bulgaria1 
He succeeded as the King Ivailo of Bulgaria in 1277.1 He was deposed as King of Bulgaria in 1279.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Maria (?)1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
