Bé Fáil ingen Cathail
750 - 801 (51 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Bé Fáil ingen Cathail [1] b. 750 d. 801
- Donnchad Midi mac Domnaill, High King of Ireland b. 735 d. 6 Feb 797
- 2 Euginis Donnchada, Queen of Ailech and Ireland [1.1] b. Abt 745 d. Abt 802
- High King of Ireland Hugh Aed Oirdnidhe The Dignified 164TH MONARCH OF IRELAND IRELAND O'NEILL MAC NIALL b. 750 d. 819
- 3 King Naill, of Ireland [1.1.1] b. 785 d. 845
- Queen Gormflaith, of Ireland b. Abt 792 d. 859
- 4 King Aedh, of Ireland [1.1.1.1] b. 815 d. Abt 885
- 4 Flaithbertach mac Niall [1.1.1.2] b. Abt 822 d. DECEASED
- 4 King Aodh Finnliath MacNaill [1.1.1.3] b. 823 d. 876
- 4 Princess Joan, of Ireland [1.1.1.4] b. Abt 835 d. 900
[ =>]
- 4 Domhnall O'Neill, King Of Ailech [1.1.1.5] b. 840 d. 915
- 4 Áedh Findliath MacNeíll,, King of Ailech, & High King of Ireland [1.1.1.6] d. 20 Nov 879
- 4 daughter Ingen Niall [1.1.1.7] d. DECEASED
- 4 King Aedh, of Ireland [1.1.1.1]
- 3 King Mael Duin O'Neill, of Ailech [1.1.2] b. Abt 790 d. 866
- 3 King Naill, of Ireland [1.1.1]
- 2 Oengus MacDonnchad Midi,, King of Telach Midi [1.2] b. Abt 773 d. Abt 830
- 2 Conchobhar mac Donnchad, 165th High King Ireland [1.3] b. Abt 775 d. Abt 833
- 2 King Máel Ruannais mac Donnchad Midi, of Uisnech Mide [1.4] b. 780 d. 843
- 2 Queen Gormflaith, of Ireland [1.5] b. Abt 792 d. 859
- King Naill, of Ireland b. 785 d. 845
- 3 King Aedh, of Ireland [1.5.1] b. 815 d. Abt 885
- + Máel Muire ingen Cináeda, of Perth b. Abt 830 d. 913
- + Máel Muire ingen Cináeda, of Perth b. Abt 830 d. 913
- 3 Flaithbertach mac Niall [1.5.2] b. Abt 822 d. DECEASED
- 3 King Aodh Finnliath MacNaill [1.5.3] b. 823 d. 876
- 3 Princess Joan, of Ireland [1.5.4] b. Abt 835 d. 900
- King Mael Mordha MacMuregain of Naas, of Leinster b. 840 d. 906
- 4 Finn Macmael o'Faelain, of Naas [1.5.4.1] b. 875 d. 923
[ =>]
- 4 Broâen macMâael Mâorda O'Faelain [1.5.4.2] d. 947
- 4 Broén Mac Máel Mórda O'fáeláin [1.5.4.3] d. 947
- 4 Broen MacMael Morda O'Faelain, King of Leinster [1.5.4.4] d. DECEASED
- 4 Finn Macmael o'Faelain, of Naas [1.5.4.1]
- 3 Domhnall O'Neill, King Of Ailech [1.5.5] b. 840 d. 915
- 3 Áedh Findliath MacNeíll,, King of Ailech, & High King of Ireland [1.5.6] d. 20 Nov 879
- + Máel Muire ingen Cináeda, of Perth b. Abt 830 d. 913
- + Lann ingen Dúngaile,, Queen of Ireland d. 890
- + Máel Muire ingen Cináeda, of Perth b. Abt 830 d. 913
- 3 daughter Ingen Niall [1.5.7] d. DECEASED
- 3 King Aedh, of Ireland [1.5.1]
- 2 Euginis Donnchada, Queen of Ailech and Ireland [1.1]