1 Chronicles 5:1

These were the sons of Reuben the firstborn of Israel. Though he was the firstborn, his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father’s bed. So he is not reckoned according to birthright.

Berean Standard Bible
Other translations

King James Version

Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but, forasmuch as he defiled his father’s bed, his birthright was given unto the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.

World English Bible

The sons of Reuben the firstborn of Israel (for he was the firstborn, but because he defiled his father’s couch, his birthright was given to the sons of Joseph the son of Israel; and the genealogy is not to be listed according to the birthright.

American Standard Version

And the sons of Reuben the first-born of Israel (for he was the first-born; but, forasmuch as he defiled his father’s couch, his birthright was given unto the sons of Joseph the son of Israel; and the genealogy is not to be reckoned after the birthright.

Geneva Bible 1599

The sonnes also of Reuben the eldest sonne of Israel (for he was the eldest, but had defiled his fathers bed, therefore his birthright was giuen vnto the sonnes of Ioseph the sonne of Israel, so that the genealogie is not rekoned after his birthright.

Darby Translation

And the sons of Reuben the firstborn of Israel (for he was the firstborn; but, inasmuch as he defiled his father's bed, his birthright was given to the sons of Joseph the son of Israel; but the genealogy is not registered according to the birthright,

Young's Literal Translation

As to sons of Reuben, first-born of Israel — for he [is] the first-born, and on account of his profaning the couch of his father hath his birthright been given to the sons of Joseph son of Israel, and [he is] not to be reckoned by genealogy for the birthright,

Bible in Basic English

And the sons of Reuben, the oldest son of Israel, (for he was the oldest son, but, because he made his father's bride-bed unclean, his birthright was given to the sons of Joseph, the son of Israel; but he is not to be given the place of the oldest.

In context

2And though Judah prevailed over his brothers and a ruler came from him, the birthright belonged to Joseph.

Read 1 Chronicles 5