Nahor was the brother of Abraham and the father of Laban. We know little about him, but he remained in Haran while Abraham obeyed God and moved to Canaan. Yet it seems that Nahor did have some relationship with the Lord, hence the name, God of Nahor.
God of Nahor in Hebrew:
Strong’s Concordance numbers: 430, 5152
Bible reference: Gen. 31:53
According to the verse, Laban uttered these words while making an agreement with Jacob:
“The God of Abraham, and the God of Nahor, the God of their father, judge betwixt us.” And Jacob sware by the fear of his father Isaac. (Genesis 31:53 KJV)
The name “fear of Isaac” occurs a little earlier in the same passage.