ent is ▁died ▁in ▁ 1 9 7 0 , ▁and ▁his ▁wife ▁Anna ▁died ▁in ▁ 1 9 7 4 . ▁ ▁A aron ▁and ▁Helen ▁De Ro y ▁A aron ▁De Ro y ▁was ▁born ▁in ▁ 1 8 8 0 ▁in ▁Pitts burgh , ▁Pennsylvania , ▁and ▁graduated ▁from ▁the ▁University ▁of ▁Pitts burgh ▁with ▁a ▁degree ▁in ▁dent istry . ▁His ▁wife , ▁Helen ▁Low ent ritt ▁De Ro y , ▁was ▁born ▁in ▁ 1 8 8 2 ▁in ▁O il ▁City , ▁Pennsylvania . ▁Her ▁father ▁earned ▁a ▁fortune ▁in ▁the ▁oil ▁industry , ▁making ▁Helen ▁a ▁wealth y ▁young ▁woman . ▁ ▁A aron ▁De Ro y ▁changed ▁care ers ▁when ▁he ▁became ▁interested ▁in ▁autom ob iles . ▁He ▁sold ▁first ▁electric ▁cars , ▁then ▁gas oline - power ed ▁ones , ▁and ▁eventually ▁became ▁a ▁distrib utor ▁for ▁St ude b aker . ▁In ▁ 1 9 2 2 , ▁having ▁made ▁a ▁considerable ▁fortune , ▁he ▁decided ▁to ▁ret ire . ▁The ▁De Ro ys ▁moved ▁from ▁Pitts burgh ▁to ▁Detroit , ▁but ▁in ▁ 1 9 2 3 , ▁rather ▁than ▁ret iring , ▁A aron ▁founded ▁the ▁A aron ▁De Ro y ▁Motor ▁Car ▁Company , ▁which ▁distributed ▁Hudson - Es sex ▁autom ob iles . ▁A aron ▁De Ro y ▁continued ▁to ▁lead ▁the ▁De Ro y ▁Motor ▁Car ▁Company ▁until ▁his ▁death ▁in ▁an ▁autom obile ▁accident ▁in ▁ 1 9 3 5 . ▁ ▁After ▁A aron '