He must acknowledge the firstborn, the son of the neglected wife, by giving him two shares , of his estate, for he is the firstfruits of his virility; he has the rights of the firstborn.
These were the sons of Reuben the firstborn of Israel. He was the firstborn, but his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father’s bed. He is not listed in the genealogy according to birthright.
The descendants of Reuben, the firstborn of Israel: according to their family records by their clans and their ancestral families, counting one by one the names of every male twenty years old or more, everyone who could serve in the army,