DETROIT, IL. (REUTERS).- Esther Gordy Edwards, the sister of Motown Records founder Berry Gordy Jr. and the driving force behind the museum that continues to preserve the label’s legacy, has died at age 91. The Motown Historical Museum, which Gordy Edwards founded in 1985, announced her death on Thursday. Gordy Edwards, who died on Wednesday, held a number of positions in her brother’s legendary company, including director of Motown’s Artists Personal Management Division, where she helped guide the careers of Diana Ross, Stevie Wonder, Smokey Robinson, Marvin Gaye and Mary Wells. In the 1970s, Gordy Edwards was the first woman to serve on the board of the Detroit Bank of the Commonwealth and the first woman elected to the board of the Greater Detroit