Lucie Goebel and her husband were third cousins once removed. Jakob Mand and Anna Gertrud Diederich were his gg grandparents and her ggg grandparents.

Source: K-J Tonner’s Kelberg data file. This person’s first name is not given because he was living when his data were entered into the Kelberg data file. His last name was determined from his parents’ family name.
... Hoff and and Lucie were third cousins once removed. Jacob Mand and Anna Gertrud Diederich were his gg grandparents and her ggg grandparents.

Source: K-J Tonner’s Kelberg data file.