Roughan family genealogy
FLAHERTACH, the third son of Deadha who is No. 105 on the "O'Dea" pedigree, was the ancestor of O'Roghain; anglicised Rowhan, Roan, and Roughan.
106. Flahertach: son of Deadha.
107. Searragh Roghan (seairriach": Irish, a foal, and "rogha," a choice): his son; a quo O'Roghain.
108. Faolan: his son.
109. Feach: his son.
110. Olioll: his son.
111. Eanna: his son.
112. Criomthann: his son.
113. Feareadhach: his son.
114. Foalusa: his son.
115. Donogh Claragh: his son.
116. Ainbhleithe: his son.
117. Ceallach: his son.
118. Morogh: his son.
119. Eoghan (or Owen): his son.
120. Muireadhagh: his son.
121. Murtogh: his son.
122. Dermod O'Roughan: his son.