The pairing with Parashah Vayetzei, which follows Jacob's flight from Esau to his uncle Laban's household, his years of labor to marry Rachel and Leah, and the births of most of his children, rests on Hosea's own opening line naming that exact flight and that exact service for a wife, a direct historical citation of the parashah's central narrative arc compressed into a single verse.
Where the parashah spends many chapters on the specific years of labor, the deception that gave Jacob Leah before Rachel, and the growth of his family and flocks, Hosea treats the whole episode as a settled piece of shared national memory, assuming his audience already knows the story in full and needs only the briefest reminder of it before the prophecy moves on to address the present generation's own conduct.
That structure, an ancestor's hardship recalled briefly before addressing a later generation's failure to live up to it, gives the haftarah its rhetorical force: Jacob endured years of labor and deception to secure his family's future, and the call to return that closes this same haftarah asks the current generation to show a comparable willingness to endure difficulty in restoring their own relationship with God.