Maggie Smith, who died on September 27, was a masterful, scene-stealing actress who won an Oscar in 1969 for “The Prime of Miss Jean Brodie” and won new fans in the 21st century as the Dowager Countess of Grantham in “Downton Abbey.” ” and Professor Minerva McGonagall in the Harry Potter film

“She leaves behind two sons and five loving grandchildren who are devastated by the loss of their extraordinary mother and grandmother,” Ms. Smith’s sons, Chris Larkin and Toby Stephens, said in a statement released by publicist Clair Dobbs.

Ms Smith was widely recognized as the outstanding British performer of a generation that included Vanessa Redgrave and Judi Dench, with a string of Oscar nominations and a shelf full of acting trophies.