A Mass of Christian Burial for 57-year-old Julie Niffenegger will be held Thursday (1/2) at 10:30 a.m. at the Holy Trinity Catholic Church in Richmond. Visitation will be held Wednesday (1/1) from 2 – 7  p.m. at the Peterseim Funeral Home, where a prayer service will be held at 1:30 p.m. A memorial fund has been established for Iowa City Hospice.