'In Their Generations' in the Bible

And I will establish my covenant between me and thee, and thy seed after thee in their generations, for an everlasting covenant, to be a God to thee, and to thy seed after thee.

And God said to Abraham, And as for thee, thou shalt keep my covenant, thou and thy seed after thee in their generations.

It is a night of observance to Jehovah, because of their being brought out from the land of Egypt: that same night is an observance to Jehovah for all the children of Israel in their generations.

And the sons of Tola: Uzzi, and Rephaiah, and Jeriel, and Jahmai, and Jibsam, and Samuel, heads of their fathers' houses, of Tola, valiant men of might in their generations; their number in the days of David was twenty-two thousand six hundred.