The House of Gadi was a dynasty of kings of the Northern Kingdom of Israel. The dynasty is also called the House of Menahem, after its founder. The dynasty lasted for only twelve years and ruled from the then capital of Israel, Samaria

Samaria

Samaria, or the Shomron is a term used for a mountainous region roughly corresponding to the northern part of the West Bank.- Etymology :...

. The dynasty is so named because Menahem was the son of Gadi. Some have speculated that Gadi was a scion

Kinship

Kinship is a relationship between any entities that share a genealogical origin, through either biological, cultural, or historical descent. And descent groups, lineages, etc. are treated in their own subsections....

 of the tribe of Gad

Tribe of Gad

According to the Hebrew Bible, the Tribe of Gad was one of the Tribes of Israel.From after the conquest of the land by Joshua until the formation of the first Kingdom of Israel in c. 1050 BC, the Tribe of Gad was a part of a loose confederation of Israelite tribes. No central government existed,...

.

Two kings of Israel came from the dynasty - Menahem

Menahem

Menahem, was a king of the northern Israelite Kingdom of Israel. He was the son of Gadi, and the founder of the dynasty known as the House of Gadi or House of Menahem....

 and Pekahiah

Pekahiah

Pekahiah was a king of Israel and the son of Menahem, whom he succeeded, and the second and last king of Israel from the House of Gadi. He ruled from the capital of Samaria....

. Menahem became king of Israel in the thirty-ninth year of the reign of Azariah

Uzziah of Judah

Uzziah , also known as Azariah , was the king of the ancient Kingdom of Judah, and one of Amaziah's sons, whom the people appointed to replace his father...

, king of Judah. He reigned in Israel for ten years. He was succeeded by his son Pekahiah. Pekahiah became king in the fiftieth year of the reign of Azariah.

After a reign of two years, Pekahiah was assassinated by Pekah

Pekah

Pekah was king of Israel. He was a captain in the army of king Pekahiah of Israel, whom he killed to become king. Pekah was the son of Remaliah ....

, son of Remaliah, one of his chief officers with the help of fifty men of Gilead

Gilead

In the Bible "Gilead" means hill of testimony or mound of witness, , a mountainous region east of the Jordan River, situated in the Hashemite Kingdom of Jordan. It is also referred to by the Aramaic name Yegar-Sahadutha, which carries the same meaning as the Hebrew . From its mountainous character...

. Pekah succeeded Pekahiah as king. Petah's dynasty is known as the House of Remaliah.