Lorant Andaházy and Anna Andrianova Andaházy founded Andaházy Ballet, in St. Paul, in 1947. St. Paul City Ballet and has since thrived in the space in the Mac-Groveland neighborhood, but only a few years ago did the school expand into a full performance company. Jennifer Rockwell and Ross Edwards, a married couple who make up half the company’s artistic leaders, have set new work on the troupe for its program this weekend at the Ritz Theatre. 3-Minute Egg meets the pair at a rehearsal.