<P> According to the Torah, the tribe consisted of descendants of Ephraim a son of Joseph, from whom it took its name; however some critical Biblical scholars view this also as postdiction, an eponymous metaphor providing an aetiology of the connectedness of the tribe to others in the Israelite confederation . In the Biblical account, Joseph is one of the two children of Rachel and Jacob, a brother to Benjamin, and father to both Ephraim, and his first son, Manasseh; Ephraim received the blessing of the firstborn, although Manasseh was the eldest, because Jacob foresaw that Ephraim's descendants would be greater than his brother's . </P> <P> Though the biblical descriptions of the geographic boundary of the House of Joseph are fairly consistent, the descriptions of the boundaries between Manasseh and Ephraim are not, and each is portrayed as having exclaves within the territory of the other . Furthermore, in the Blessing of Jacob, and elsewhere ascribed by textual scholars to a similar or earlier time period, Ephraim and Manasseh are treated as a single tribe, with Joseph appearing in their place . From this it is regarded as obvious that originally Ephraim and Manasseh were considered one tribe--that of Joseph . According to several biblical scholars, Benjamin was also originally part of the House of Joseph, but the biblical account of this became lost; Benjamin being differentiated by being that part of Ephraim (House of Joseph) which joined the Kingdom of Judah rather than that of Israel . </P> <P> A number of biblical scholars suspect that the Joseph tribes (including Benjamin) represent a second migration of Israelites to Israel, later than the main tribes, specifically that it was only the Joseph tribes which went to Egypt and returned, while the main Israelite tribes simply emerged as a subculture from the Canaanites and had remained in Canaan throughout; in the narrative in the Book of Joshua, which concerns the arrival in (and conquest of) Canaan by the Israelites from Egypt, the leader is Joshua, who was a member of the Ephraim tribe . According to this view, the story of Jacob's visit to Laban to obtain a wife began as a metaphor for the second migration, with Jacob's new family, possessions, and livestock, obtained from Laban, being representations of the new wave of migrants; </P> <P> In the account of the deuteronomic history, Ephraim is portrayed as domineering, haughty, discontented, and jealous, but in classical rabbinical literature, the biblical founder of the tribe is described as being modest and not selfish . These rabbinical sources allege that it was on account of modesty and selflessness, and a prophetic vision of Joshua, that Jacob gave Ephraim precedence over Manasseh, the elder of the two; in these sources, Jacob is regarded as sufficiently just that God upholds the blessing in his honour, and makes Ephraim the leading tribe . Nevertheless, other classical rabbinical texts mock the tribe for the character it has in the deuteronomic history, claiming that Ephraim, being headstrong, left Egypt 30 years prior to the Exodus, and on arrival in Canaan was subjected to a disastrous battle with the Philistines; in the Midrashic Jasher this is portrayed as a rebellion of Ephraim against God, resulting in the slaying of all but 10, and the bleached bones of the slaughtered being strewn across the roads, so much so that the circuitous route of the Exodus was simply an attempt by God to prevent the Israelites from having to suffer the sight of the remains . </P>

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