1Ch 5:1 | NET2full | STEP | The sons of Reuben , Israel’s firstborn — ( Now he was the firstborn , but when he defiled his father’s bed , his rights as firstborn were given to the sons of Joseph , Israel’s son . So Reuben is not listed as firstborn in the genealogical records .

‏ 1 Chronicles 5:1

Reuben’s Descendants

1 The sons of Reuben, Israel’s firstborn—

(Now he was the firstborn, but when he defiled his father’s bed, ^{▼▼sn The phrase when he defiled his father’s bed refers to Reuben having sexual relations with his father Jacob’s concubine Bilhah. This incident is recorded in Gen 35:22.} his rights as firstborn were given to the sons of Joseph, Israel’s son. So Reuben is not listed as firstborn in the genealogical records. ^{▼▼tn Heb “and not to be listed in the genealogical records as (having) the right of the firstborn.”}