Exodus 1:5
And all the souls that came out of the loins of Jacob were seventy souls: for Joseph was in Egypt already.
And all the souls that came out of the loins of Jacob were seventy souls,.... "Souls" are put for persons; of the number seventy, and how reckoned, See Gill on "Genesis 46:27". This was but a small number that went down to Egypt, when compared with that which went out of it; and that it should be compared with it is the design of its being mentioned, see Exodus 12:37:
for Joseph was in Egypt already; and is the reason why he is not reckoned among the sons of Jacob, that came thither with him; though rather it may be better rendered, "with Joseph who was in Egypt" {c}; for he must be reckoned, and indeed his two sons also, to make up the number seventy; therefore Jonathan rightly supplies it,
"with Joseph and his sons who were in Egypt,''
See Gill on "Genesis 46:27".
{c} Poyw "cum Josepho qui erat in Aegypto", Junius & Tremellius, Ainsworth, Noldius, No. 1197. p. 273. so the Arabic version, Kimchi, and Ben Melech.