Hosea married a promiscuous woman as a symbolic act portraying God's relationship with Israel.
The opening chapters of the Book of Hosea describe God commanding the prophet Hosea, son of Beeri, to marry Gomer, daughter of Diblaim. Her unfaithfulness becomes a living image of Israel's worship of other gods and breach of its covenant with Yahweh. Hosea's family and children's names also carry prophetic meanings: Jezreel recalls bloodshed, Lo-ruhamah means “not pitied,” and Lo-ammi means “not my people.”
The marriage story is not simply a domestic biography. It dramatizes the tension between judgment and mercy: Israel's infidelity brings punishment, yet Hosea also looks toward restoration and renewed covenant love. Chapter 3 describes Hosea taking back or redeeming the woman, reinforcing that theme.
A common mix-up is identifying Gomer as “the prostitute” in a modern, precise sense. The Hebrew wording is variously translated as promiscuous, adulterous, or a woman of prostitution, and interpreters debate some details. The canonical answer, however, is Hosea.