<P> In 1965, Carr worked with Van Johnson on a pilot for a television program, Take Her, She's Mine . Carr then appeared in Evening Primrose, a one - hour musical written by Stephen Sondheim, which aired on ABC Stage 67 in 1966 . The following year, she married a dentist, Jay Brent, and left show business . She and Jay had two daughters, Jennifer and Emily . Later on she became the grandmother of two grandchildren: Emma and Derek . </P> <P> Carr owned an interior design firm, Charmian Carr Designs, in Encino, California, and wrote two books, Forever Liesl and Letters to Liesl . She reunited with many of her co-stars from The Sound of Music on The Oprah Winfrey Show in October 2010 to celebrate the film's 45th anniversary . In 2014, Carr recorded "Edelweiss" with the great - grandchildren of the von Trapps on the album Dream a Little Dream by the von Trapps and Pink Martini . </P> <P> Carr died in Los Angeles on September 17, 2016, from complications related to frontotemporal dementia at the age of 73 . </P>

Who played liesl in sound of music live