Friends and family are welcome to attend.
The Dierdorff's were married June 12, 1970, in Zion United Church of Christ, Poland, by Rev. Harry Reiners.
Mrs. Dierdorff, the former Rita Burns, is the owner of "I Do" Rentals. Dierdorff is a lifelong farmer.
Hosts will be the couple's daughters, Jennifer (Nelson) Reginald of Bryans Road, Md., Sarah Dierdorff, Indianapolis, and Melissa (Andy) Dorsett, Brazil.
They also have three grandchildren and one due in November.
No gifts are requested, but the gift of friendship would be welcomed.