' at our ) ▁to ▁the ▁queen - m other ▁Marie ▁de ▁Med ici , ▁and ▁in ▁ 1 6 3 8 ▁was ▁created ▁duch ess ▁of ▁A igu illon . ▁ ▁The ▁Duch ess ▁did ▁not ▁marry ▁a ▁second ▁time , ▁although ▁Rich el ieu ▁wished ▁to ▁marry ▁her ▁to ▁a ▁prince , ▁either ▁to ▁the ▁comte ▁de ▁So iss ons ▁or ▁to ▁the ▁king ' s ▁brother . ▁After ▁the ▁death ▁of ▁the ▁cardinal ▁in ▁ 1 6 4 2 , ▁the ▁Duch ess ▁retained ▁her ▁hon ours ▁and ▁titles , ▁but ▁with d rew ▁from ▁the ▁court ▁and ▁devoted ▁herself ▁entirely ▁to ▁works ▁of ▁char ity . ▁She ▁became ▁a ▁patron ▁of ▁work ▁involving ▁science ▁and ▁the ▁arts , ▁providing ▁fund ing ▁for ▁many ▁notable ▁initi atives . ▁She ▁died ▁on ▁ 1 7 ▁April ▁ 1 6 7 5 . ▁ ▁Pat ron ▁of ▁science ▁and ▁arts ▁The ▁Duch ess ▁worked ▁with ▁St . ▁Vincent ▁de ▁Paul ▁and ▁helped ▁him ▁to ▁establish ▁the ▁B ic être ▁Hospital ▁for ▁found lings . ▁She ▁also ▁took ▁part ▁in ▁re - organ izing ▁the ▁H ôtel - D ieu ▁de ▁Paris ▁and ▁establish ing ▁several ▁others ▁in ▁the ▁provinces . ▁Additionally , ▁she ▁founded ▁and ▁fund ed ▁the ▁establishment ▁of ▁the ▁H ôtel - D ieu ▁de ▁Québec ▁for ▁the ▁colon ists ▁of ▁New ▁France . ▁ ▁The ▁Duch ess ▁was ▁the ▁patron ess ▁of ▁Pierre ▁Cor ne ille , ▁who ▁in ▁ 1 6 3 6 ▁dedicated ▁his ▁tra ged y