Editing Prince Tassilo of Preslav (section)

==Ancestry==
{| class="wikitable"
|+
!Parents
!Grandparents
!Great-Grandparents
!Great-Great-Grandparents
|-
|[[Kyril, Prince of Preslav]]
|[[Simeon II, Tsar of Bulgaria]]
[[Dona Margarita Gomez-Acebo y Cejuela]]
|[[Tsar Boris III of Bulgaria]]
[[Princess Giovanna of Italy]]

[[Don Manuel Gomez-Acebo y Modet]]

[[Mercedes Cejuela y Fernandez]]
|[[Tsar Ferdinand of Bulgaria]]
[[Princess Marie Louise of Parma]]

[[King Victor Emmanuel III of Italy]]

[[Princess Elena of Montenegro]]

[[Marquess Jose Gomez-Acebo y Cortina of Cortina]]

[[Margarita Marta Modet y Almagro]]

[[Manuel Cejuela y Gonzalez-Orduna]]

[[Mercedes Fernandez y Molano]]
|-
|[[Princess Maria of Romania]]
|[[King Michael of Romania]]
[[Princess Anne of Parma]]
|[[King Carol II of Romania]]
[[Princess Helen of Greece]]

[[Prince Rene of Parma]]

[[Princess Margaret of Denmark]]
|[[King Ferdinand of Romania]]
[[Princess Marie of Edinburgh]]

[[King Constantine I of Romania]]

[[Princess Sophia of Prussia]]

[[Duke Robert I of Parma]]

[[Infanta Maria Antonia of Portugal]]

[[Prince Valdemar of Denmark]]

[[Princess Marie d'Chartres]]
|}