The pagan Niall of the Nine Hostages, High King of Ireland and Tara, died maybe around 450 AD, is generally considered the historical start of the Irish Royal line.
Niall of the Nine Hostages is ancestor in male line of:
Brian O'Neill, the last High King of Ireland.
King of Ulster.
Killed in battle in 1260.
Brian O'Neill, High King of Ireland, and King of Ulster, is ancestor in male line of:
Conn O'Neill, 1st Earl of Tyrone,
King of Ulster,
had illegitimate issue:
Niall of the Nine Hostages is ancestor through female line of:
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