Original sentence: Murray married Bill Langstroth on June 20, 1975, her 30th birthday, and gave birth to two children:  William (born 1976) and Dawn, in 1979, a singer/songwriter and artist who has recorded with her mother a number of times, including the duet "Let There Be Love" in 1999 for Murray's What A Wonderful World album
Edited sentence: Murray married Bill Langstroth on June 20, 1975, her 30th birthday, and gave birth to two children:  William, in 1976, and the better-known of her children, Dawn Langstroth, in 1979, a singer/songwriter and artist who has recorded with her mother a number of times, including the duet "Let There Be Love" in 1999 for Murray's What A Wonderful World album