1 Chronicles 5:1-2

Descendants of Reuben

1The sons of Reuben the firstborn of Israel ( a  for he was the firstborn, but because b  he defiled his father’s couch, c  his birthright was given to the sons of Joseph the son of Israel, so that he could not be enrolled as the oldest son; 2 d  though Judah became strong among his brothers and a e  chief came from him, yet the birthright belonged to Joseph),
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