Peterson, Florence (Sis) Age 74, of Minneapolis, passed away March 15, 2018. Preceded in death by parents, two brothers, and other family. Survived by husband, Steven; daughters Judith Thompson and Kathryn Peterson; sons Richard Thompson and Justin Peterson; niece Karen (Richard) Harper; grandchildren; great-grandchildren; grand-nieces and nephews; and many friends. A memorial service is planned for later in the spring.