The Douglas Archives Genealogy Pages

Discovering our Douglas Ancestors and their Relatives

Henry (King of Ulster) O'Neill

- 1489

Media: Family of Henry (King of Ulster) O'Neill

= At least one photo, history or other media item exists for this individual.

O'Neill Side

Parents

O'Neill, Eogan (King of Ulster) - 1456

Grandparents

O'Neill, Niall Og (King of Ulster) - 1403
O'Neill, Una - 1417

Great Grandparents

O'Neill, Niall Mor (King of Ulster) - 1394
Macmahon, Beanmidhe (of Oriel) - Yes, date unknown
O'Neill, Domnall - Yes, date unknown

Macmahon Side

Parents

Macmahon, Catherine (of Oriel) - 1427

Grandparents

Macmahon, Ardgal (King of Oriel) - Yes, date unknown

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