It was divided into three kingdoms known as Cenél Dobtha between Slieve Bawn and the River Shannon; Corca Achlann to the west and Tir Briuin na Sinna to the north.
Concobhar, Conn, Diermait, Maghnus, et Muircertach: clann t-Sean m Echmharcaigh m Diermada m Eachmarcaigh m Cuinn m Eachmarcaigh m Branain (o Raiter m Breanain) m Duinn sithe m Murchada m Giolla crist m Echtigheirn m Aidit m Uromain m Mail michil m Nuadhat m Flaithniadh m Ona m Aenghusa m Erca deirg m Briain m Eachdach muidhmedhon.
Diarmaid m. Echmarchaigh m. Diarmada m. Echmharchaig m. Cuind m. Echmharcaig m. Branan m. Gilla Crist m. Cuind m. Echmharcaig m. Branan m. Duindtsidhe m. Murcaidh m. Gilli Crist m. Echthigern m. Aidith m. Uramhan m. Mailmhichil m. Nuagad m. Flaithniadh m. Ona m. Aengusa m. Earca derg m. Briain m. Ecach mugmedoin.
Lochlainn, Mail seclainn, Giolla na naem, Raghanll, et Cairpre riabach: clann Aedha m Conchobair m Domnaill m Iomair m Domhnaill m Amlaibh m Iomair moir m Muircertaigh (le frith an t-ech gel do bi ag Tadg ua Concobair) m Raghnaill catha briain m Murchada m Domnaill m Taidhg m Muircertaigh muirnigh m Ainlighe (o raiter muinter Ainlighe) m Urthuile m Maile duin m Cluitechair m Fuinis m Dothfa m Aengusa m Erca deirg m Briain m Echdach mugmedoin.
H. Maenachan is one of the families said to descend from Ona m. Aenghusa m. Earca derg m. Briain m. Echach mugmedoin Tadg m. Donnchada m. Domnaill m. Gilli Crist m. Imhair m. Gilli Crist m. Mathgamhna m. Domnall ocus Uilliam Dondchad & Tadcc Cairpri & Feradach Dunadach & Rosa & In Gilla Dub clann Mailechlainn m. Briain m. Taidc m. Dondchada m. Domnaill m. Gillacrist m. Imair m. Gillacrist m. Mathgamna m. Gillacomain m. Imair m. Gillananaem m. Domnaill m. Gillacrist m. Conconnacht m. Muircertaig m. Ciaba Gorma m. Muircertaig m. Birnn m. Cinaetha m. Ubain m. Uatach m. Aeda bailb m. Indrachtaig m. Muiredaig Muillethain