Baby Tristan Wayne Gretzky at home; Great Ones clan expands to four The newest Gretzky is back home. Tristan Wayne Gretzky was born Aug. 2 in Los Angeles, entering the world at seven pounds eight ounces. Mother Janet Gretzky and baby are doing well at the family home in California, according to a spokesman for Gretzky's agent Wednesday. The Gretzkys have three other children: Paulina, 12, Ty, 10, and Trevor, seven. Quoting a family spokesman, the New York Daily News said Wednesday the Gretzkys didn't release news of the birth until now because they felt it more important mother and baby came home before making the announcement.