The value added by such repetition is unclear to me. (educationnext.org)
We find plentiful examples of such repetition in a text equally concerned with family: the Book of Genesis. (firstthings.com)
Such a repetition suggests that if [I] first concluded original section 3, [h] was inserted to conclude what would become the first chapter in the final version of Part V when [I] was transferred to its present location in section V. 2.6. (religion-online.org)