A funeral service for 91-year-old Esther Zook of Kalona will be held at 10 a.m. on Saturday, April 20 at the Fairview Mennonite Church in rural Kalona. Burial will be in the East Union Cemetery. Visitation will be Friday, April 19 from 2-7 p.m. where the family will greet friends from 2-4 and 5-7 at the Fairview Mennonite Church.