Rev. Robert Riedel » Directory To submit changes or updates to information in the directory, please contact Ann at the Synod Office. Go back to directory. Add to Address Book. Rev. Robert Riedel Retired Home 3900 Aspen Dr. Apt. 236 Port Huron MI 48060 home Home Phone: 810-982-5063home Categories: Uncategorized Updated 3 years ago.