Verses with the word isaac's in the Old Testament (4 verses):

Genesis 26:19
And Isaac's servants digged in the valley, and found there a well of springing water.

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 26:25
And he builded an altar there, and called upon the name of the LORD, and pitched his tent there: and there Isaac's servants digged a well.

Genesis 26:32
And it came to pass the same day, that Isaac's servants came, and told him concerning the well which they had digged, and said unto him, We have found water.