Vladimir, King of Bulgaria1 
He succeeded as the King Vladimir of Bulgaria in 889.1 He was deposed as King of Bulgaria in 893.2
- [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.
Simeon I, King of Bulgaria1 
He gained the title of Prince Simeon I of Bulgaria in 893.1 He succeeded as the King Simeon I of Bulgaria in 917.1
Children of Simeon I, King of Bulgaria
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Petar I, King of Bulgaria1 
He succeeded as the King Petar I of Bulgaria in 927.1 He abdicated as King of Bulgaria in 967.1
Children of Petar I, King of Bulgaria and Irene Lekapene
- Boris II, King of Bulgaria1 d. 976
- Roman, King of Bulgaria1 d. 997
Boyan Magesnik (?)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 (?)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.”
Boris II, King of Bulgaria1 
He succeeded as the King Boris II of Bulgaria in 967.1
Roman, King of Bulgaria1 
He succeeded as the King Roman of Bulgaria in 971.1
Gavrail Radomir, King of Bulgaria1 
He succeeded as the King Gavrail Radomir Bulgaria in 1014.1
- [S1334] Valentin Kostadinov, “re: Bulgarian Kings,” e-mail message to British and European Nobility Register, 7 April 2005. Hereinafter cited as “re: Bulgarian Knigs.”
Ivo Macfarlane1
- [S37] BP2003 volume 3, page 3155. See link for full details for this source. Hereinafter cited as. [S37]
David (?)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.”
