File:JoMarshall-Parents.jpg|Robin and Luther Marshall
File:JoMarshall-Parents.jpg|Robin and Luther Marshall
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* '''Adrienne Ryer''' - This was a romance that was not going to last. Jo and Andie had an temperamental relationship that spanned a few years, ultimately ending when Andie graduated and was posted in deep space. They maintain a good friendship when they can catch up on shore leave.