'Theirs' in the Bible

But, By the living Lord, who took up the seed of Israel, and made them come out of the north country, and from all the countries where I had sent them; and they will be living in the land which is theirs.

And there is hope for the future, says the Lord; and your children will come back to the land which is theirs.

And those who get away safe from the sword will come back from the land of Egypt to the land of Judah, a very small number; and all the rest of Judah, who have gone into the land of Egypt and are living there, will see whose word has effect, mine or theirs.

Put all her oxen to the sword; let them go down to death: sorrow is theirs, for their day has come, the time of their punishment.