í ▁F id gent i , ▁the ▁brother ▁and ▁sister ▁are ▁sometimes ▁regarded ▁as ▁belonging ▁to ▁an ▁early ▁branch ▁of ▁the ▁E ó gan ach ta ▁which ▁later ▁became ▁peri pher al ▁or ▁became ▁ext inct , ▁although ▁it ▁is ▁more ▁likely ▁that ▁all ▁descend ants ▁of ▁D á ire ▁Cer bb a ▁belong ▁to ▁a ▁distinct ▁people , ▁possibly ▁the ▁D á ir ine , ▁which ▁may ▁be ▁hint ed ▁at ▁in ▁an ▁obsc ure ▁Old ▁Irish ▁poem ▁by ▁Fl ann ▁mac ▁L on á in , ▁although ▁in ▁the ▁B ans hen chas ▁Mong find ▁is ▁called ▁" M ong find ▁of ▁the ▁É r na i " ▁( É ra inn ), ▁a ▁people ▁in ▁any ▁case ▁related ▁to ▁the ▁D á ir ine . ▁A ▁passage ▁in ▁Raw lin son ▁B ▁ 5 0 2 ▁decl ares ▁that ▁D á ire ▁Cer bb a ▁was ▁born ▁in ▁Mag ▁B reg ▁( B reg a ), ▁M ide , ▁much ▁of ▁which ▁probably ▁remained ▁É ra inn ▁or ▁D á ir ine ▁territory ▁at ▁the ▁time ▁of ▁his ▁supposed ▁flor uit . ▁Later ▁political ▁gene alog ies ▁may ▁remove ▁this ▁generation ▁to ▁make ▁the ▁monarch ▁appear ▁closer ▁to ▁the ▁historical ▁E ó gan ach ta , ▁his ▁natural ▁kind red ▁having ▁mostly ▁fallen ▁into ▁obsc urity . ▁By r ne ▁reprodu ces ▁one ▁of ▁these ▁( 2 0 0 1 ), ▁and ▁does ▁not ▁give ▁his ▁source , ▁probably ▁La ud ▁ 6 1 0 , ▁in ▁which ▁the ▁father