 Other buggy-using Old Order Mennonites in Lancaster County are subgroups of the Stauffer Mennonites with 283 baptized members and the Reidenbach Mennonites with 232.There are about 4,000 members of the car-driving Weaverland Old Order Mennonite Conference.A congregation of 83 members of the Old Order River Brethren lives there as well as 84 members of the Reformed Mennonite Church who have retained the most conservative form of Plain dress of all Plain groups.