. ▁▁ ▁In ▁ 1 1 5 0 , ▁weak ened ▁by ▁the ▁on set ▁of ▁an ▁ill ness , ▁he ▁was ▁forced ▁to ▁ret ire ▁from ▁public ▁life ▁by ▁Manuel . ▁Isaac ▁then ▁devoted ▁himself ▁to ▁the ▁construction ▁of ▁the ▁monaster y ▁of ▁The ot ok os ▁Kos mos ote ira ▁at ▁B era ▁( mod ern ▁Fer es ) ▁in ▁western ▁Th race , ▁where ▁he ▁was ▁to ▁be ▁buried . ▁Isaac ▁was ▁noted ▁for ▁his ▁er ud ition ▁and ▁his ▁patron age ▁of ▁learning , ▁and ▁is ▁considered ▁the ▁author ▁of ▁a ▁number ▁of ▁scholar ly ▁and ▁po etic ▁works . ▁He ▁is ▁also ▁notable ▁for ▁re building ▁the ▁Ch ora ▁Church ▁in ▁Constantin ople , ▁where ▁his ▁m osa ic ▁don or ▁portrait ▁surv ives ▁to ▁this ▁day . ▁His ▁younger ▁son ▁And ron ik os ▁I ▁Kom nen os ▁eventually ▁managed ▁to ▁realize ▁Isaac ' s ▁amb itions , ▁becoming ▁em peror ▁in ▁ 1 1 8 3 – 1 1 8 5 , ▁the ▁last ▁of ▁the ▁Kom nen ian ▁dynast y . ▁ ▁Early ▁life ▁Born ▁on ▁ 1 6 ▁January ▁ 1 0 9 3 , ▁Isaac ▁Kom nen os ▁was ▁the ▁fifth ▁child ▁and ▁third ▁son ▁of ▁By z antine ▁Emperor ▁Alex ios ▁I ▁Kom nen os ▁() ▁and ▁Em press ▁I rene ▁Dou k ain a . ▁As ▁his ▁father ▁was ▁reign ing ▁at ▁the ▁time , ▁Isaac ▁was ▁a ▁true ▁por phy ro gen net os , ▁a ▁title ▁that ▁is ▁consist