'All the Seed' in the Bible

Now when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the seed royal.

Yahweh rejected all the seed of Israel, and afflicted them, and delivered them into the hand of spoilers, until he had cast them out of his sight.

In Yahweh shall all the seed of Israel be justified, and shall glory.

Thus says Yahweh: If heaven above can be measured, and the foundations of the earth searched out beneath, then will I also cast off all the seed of Israel for all that they have done, says Yahweh.

It's like a grain of mustard seed, which, when it is sown in the earth, though it is less than all the seeds that are on the earth,

For this cause it is of faith, that it may be according to grace, to the end that the promise may be sure to all the seed, not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all.