Nielsen Hayden genealogy
Constantine I, Giudice of Arborea
- Bef 1131(
= Descendancy chart to this point, 
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= Collapse)
- 1 Constantine I, Giudice of Arborea [1] d. Bef 1131
- Anna de Zori
- 2 Comita II, Giudice of Arborea [1.1] d. 1147
- Elena de Orrubo
- 3 Barisone II, Giudice of Arborea [1.1.1] d. Bef 1189
- Pellegrina de Lacon
- 4 Ispella de Lacon-Serra [1.1.1.1]
[ =>]
- 4 Ispella de Lacon-Serra [1.1.1.1]
- 3 Barisone II, Giudice of Arborea [1.1.1]
- 2 Comita II, Giudice of Arborea [1.1]