Analysis of information sources in references of the Wikipedia article "لیز شریدن" in Persian language version.
Sheridan died less than two weeks after Estelle Harris, who played the shrill mother of George Costanza (Jason Alexander). Sheridan and Harris were the last surviving Seinfeld parent actors.
Her death comes the week after the passing of fellow "Seinfeld" alum Estelle Harris, who played Estelle Costanza, mother of Jerry's sidekick George Costanza. … All four actors who played Jerry and George’s parents have now passed away.
