All the souls that came with Jacob into Egypt
These are in parcels before mentioned, but here they are brought to a sum total; and by this phrase are excluded those that died before, as Er and Onan, and those that were in Egypt before, as Joseph and his two sons; and I should think also all that were born in Egypt afterwards, even while Jacob was living: those reckoned are only such, which came out of his loins:
such as were his seed and offspring. This is observed for the sake of what follows, and to exclude them: besides Jacob's sons' wives;
these do not come into the account, because they did not spring from him: all the souls [were] threescore and six;
thirty two of Leah's, leaving out Er and Onan, sixteen of Zilpah's, fourteen of Rachel's, and seven of Bilhah's, make sixty nine; take out of them Joseph and his two sons, who were in Egypt before, and you have the exact number of sixty six.
The Brenton translation of the Septuagint is in the public domain.