He was married to Maria Tallchief when he choreographed her in his 1948 ballet "Orpheus"
THE FIRST... [DOC] [TLE] Maria Tallchief, Dazzling Ballerina, Dies at 88 - The New York Times [PAR] Apr 12, 2013 ... Maria Tallchief, a Dazzling Ballerina and Muse for Balanchine, Dies at 88 ... A 
former wife and muse of the choreographer George Balanchine, Ms. Tallchief ....