Orva Phyllis (Kruger) Hegg, 66, of Great Falls, a former subrogator for the insurance industry, died of respiratory arrest Monday, October 17, 2011, at a local hospital.No services are planned. Schnider Funeral Home is handling arrangements.Survivors include her husband, Gary Stanley Hegg; a daughter, Heidi Anne Andersen; a son, Trinity Sean Hegg, all of Great Falls and five grandchildren.