Nathach O'chennselaig King of Leinster
- Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. Nathach O'chennselaig King of Leinster (son of Crimthann Cass King of Leinster); and died. Family/Spouse: Unknown. [Group Sheet] [Family Chart]
Children:- Eoghan (Owen) Caoch and died.
- Cormac and died.
- Faelan and died.
- Olioll and died.
2. Crimthann Cass King of Leinster (son of Eanna Cinnsealaigh and Conang); died in 484. Children:
- 1. Nathach O'chennselaig King of Leinster and died.
- Ingen and died.
- Fiacra The Fair and died.
- Fergus and died.
- Eithne Uathach and died.
Generation: 3
4. Eanna Cinnsealaigh (son of Labhradh); and died. Eanna + Conang. and died. [Group Sheet] [Family Chart]
5. Conang and died. Children:
- Feidhlimidh and died.
- Eochu (Eochaidh) Cinnsealaigh died in Assassinated Near Boulogne.
- 2. Crimthann Cass King of Leinster died in 484.
- Earc and died.
- Aongus and died.
- Conal and died.
- Trian and died.
- Cairpre and died.
Generation: 4
8. Labhradh (son of Bressal B?lach Macfiachu Ba King of Leinster); and died. Children:
- 4. Eanna Cinnsealaigh and died.
- Deagh and died.