Verses with the word ours in the Old Testament (4 verses):

Genesis 26:20
And the herdmen of Gerar did strive with Isaac's herdmen, saying, The water is ours: and he called the name of the well Esek; because they strove with him.

Genesis 31:16
For all the riches which God hath taken from our father, that is ours, and our children's: now then, whatsoever God hath said unto thee, do.

1 Kings 22:3
And the king of Israel said unto his servants, Know ye that Ramoth in Gilead is ours, and we be still, and take it not out of the hand of the king of Syria?

Ezekiel 36:2
Thus saith the Lord GOD; Because the enemy hath said against you, Aha, even the ancient high places are ours in possession: