Jeremiah 2:4 - Matthew Poole's English Annotations on the Holy Bible

Hear ye the word of the Lord: he bespeaks their attention to what he is about to speak, as unto the word of the Lord, telling them that he deliver's God's message, and vents not his own passions: the like Isaiah 1:10, and elsewhere frequently, both in the Old and New Testament, as 1 Corinthians 11:23 1 Thessalonians 4:15. Jacob, i.e. his posterity; Jacob and Israel here being the same, as it is Isaiah 43:1. The families, viz. tribes, Jeremiah 31:1.