The will said the piano was hers, but her cousin’s widower said no. So she went to court to win her inheritance. — I stood before the judge representing myself in a Chicago court in 2001. My cousin Roberta died two years prior. An accomplished contralto classical singer, she traveled the world and collected furs, fine China, rugs, and jewelry. She cooked goose, made waffles from scratch, and held close a sweet potato…