And Joseph died, and all his brethren, and all that generation. Joseph died, and all his brethren - That is, Joseph had now been some time dead, as also all his brethren, and all the Egyptians who had known Jacob and his twelve sons; and this is a sort of reason why the important services performed by Joseph were forgotten.
Related Commentaries of Exodus 1:6
Exodus 1:6
6 And Joseph died, and all his brethren, and all that generation.