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Ir son of King Milesius and brother of Heber Fionn & Heremon
O'Hart suggests that Ir died in 1700BC. 'Royal Genealogies' shows that his brother Heremon d 1285BC. This exemplifies how different were the positions taken on dates by O'Hart and 'Royal Genealogies'.
1. Heber Donn
  A. Hebric
  i. Artra (youngest son)
a. Artrach
  (1) Sedna
  (A) Fiacha Fionn Scothach (b 1402BC, d 1332BC, "24th Monarch")
  (i) Eochaidh or Ollamg Fodhla (a 1317BC)
  (a) Cairbre (youngest son)
  ((1)) Labhradh
  ((A)) Bratha
  ((i)) Fionn
  ((a)) Siorlamh (d 855BC)
  (((1))) Argreadmar (or Argethamar) - continued below #1
  (b)+ other issue (successive "Monarchs") - Slanoll, Finachta Fionnaneachta (or Elim), Gead Ollghothach, Fiacha
  ii.+ other issue - Cearmna, Sobhrach

 

 

Argreadmar (or Argethamar) (a 777BC, "58th Monarch") - continued above #1
1. Fiontan
  A. Ciombaoth ("63rd Monarch")
2. Diomain
  A. Dithorbaa ("62nd Monarch")
3. Badhum
  A. Aodh Ruadh ("61st Monarch")
  i. Macha Mongruadh ("64th Monarch, and the only Queen Ireland has ever had")
4. Fomhar
  A. Dubh, King of Ulster
  i. Ros
  a. Srubh
(1) Indereach
  (A) Glas
  (i) Carbre (or Cathair)
  (a) Feadhardhile
  ((1)) Fomhar
  ((A)) Dubh
  ((i)) Sithrich
  ((a)) Ruadhrie (or Rory) Mor (d 218 BC) - continued below #2

 

 

Ruadhrie (or Rory) Mor (d 218 BC, "86th Monarch") - continued above #2
1. Bresal Bodhiobha ("88th Monarch")
2. Congal Clareineach ("90th Monarch")
3. Conragh
  A. Eiliomh ("105th Monarch")
4. Fachna Fathach ("92nd Monarch")
  m. Neasa
  A. Conor
5. Ros Ruadh
  m. Righ ("dau. of an Ulster Prince")
  A. Fergus Mor (Fergus Macroy), King of Ulster
  p. Maedhbh, Queen of Conacht (m. Oilioll Mor)
  i. Conmac
  a. Moghatoi
(1) Messaman
  (A) Mochta
  (i) Cetghun
  (a) Enna
  ((1)) Gobhre
  ((A)) Iuchar
  ((i)) Epghaman
  ((a)) Alta - continued below #3
  ii. Ciar (a 2nd century BC) ancestor of O'Connor of Kerry
  iii. Corc ancestor of O'Connor of Corcomroe
  m/p. ??
  iv. Aongus Fionn
  a. MacNiadh
  (1) Orchon
  (A) Foranan
  (i) Labhra
  (a) Cait
  ((1)) Oiliol
  ((A)) Diochon
  ((i)) Sleibhe
  ((a)) Gofnid
  (((1))) Conor - continued A just below
  . Conor - continued A just above
  ((A)) Dermond
  ((i)) Lochlon
  ((a)) Dubhthaig
  (((1))) Maolbrenan
  v. Firceighid
  a. Rory
  (1) Lawlor
  (A) Daire
  (i) Conri
  (a) Benard
  ((1)) Doncha
  ((A)) Eocha
  ((i)) Eoghan
((a)) Cuchonacht
  (((1))) Maonaig - continued B just below
  . Maonaig - continued B just above
  ((1)) Dinfeartach
  ((A)) Duibtheach
  ((i)) Loingaedh
  ((a)) Dunlaing
  (((1))) Bruadar
  vi. Fionfailig ancestor of O'Dugan & O'Coscridh, Chiefs of Fermoy
  vii. Asadhmun mentioned on p313, ancestor of O'Healy, Healy & Hely
  viii.+ other issue - Dallan, Anluim, Conri, Oiliol, Uiter, Firtleachta, Binne
6. Cionga ancestor of O'Moore, MacGuinness, Magennis, McGowan, etc.
7.+ other issue

 

 

Alta - continued above #3
1. Tairc
  A. Teagha
  i. Ethinon
  a. Orbsenmar
(1) Conmac
  (A) Lughac
  (i) Beibhdhe
  (a) Bearra
  ((1)) Uisle
  ((A)) Eachdach
  ((i)) Forneart
  ((a)) Neart - continued below #4
  B. Dallan
  i. Lughdach
  a. Lughdach
  (1) St. Canice of Aghaboe
  b. Nathi
  (1) Baer
  (A) Becan
  (i) St. Mochne of Ballagh = St. Cronan
  Wikipedia ("Mo Chua of Balla") reports that Mo Chua (or Cronan mac Becain or Claunus Cuan, etc.), "the youngest of the three sons of Becan" .. "was a legenday Irish saint who founded the monastery in Balla" and d 30.03.637.

 

 

Neart - continued above #4
1. Meadhrua
  A. Dubh
  i. Earcoll
  a. Earc
(1) Eachdach
  (A) Cuscrach
  (i) Fionnfhear
  (a) Fionnlogh
((1)) Onchu
  ((A)) Neidhe
  ((i)) Finghin
  ((a)) Fiobrann - continued below #5
  ((b)) Maoldabhreac
  (((1))) Siriden ancestor of Sheridan, Kirwan, Kerrigan, etc.
  (((2))) ?? ancestor of Kerrigan, etc.
  ((c)) Mochan ancestor of O'Moran (p326)
  ((d)) Rinnall ancestor of O'Daly of Conmacne
  ((e)) another son
  ((B)) Ficheallach mentioned on p346, ancestor of Ruddy

 

 

Fiobrann - continued above #5
1. Mairne
  A. Croman
  i. Eimhin
  a. Angall
  (1) Braon
  (A) Congal
  (i) Feargal ancestor of O'Farrell, Freehill, etc.
  (2) Fingin ancestor of Finnegan , etc.
  ii. Biobhsach ancestor of MacRaghnall (or Reynolds) of Connaugh
  iii. Gearadhan ancestor of Gaynor
  iv. Giollagan ancestor of Gilligan & Quinn (p343)
  O'Hart (p303) reports that "From these three brothers are also descended Shanly, Mulvy, Mulkeeran, etc.".
2.+ other sons ancestors of O'Canavan, O'Birren, O'Branagan, Martin, etc.

Main source(s): 'Irish Pedigrees' (John O'Hart, 1892 (5th edition), vol 1, 'The Line of Ir', p299+)
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