Jair
Jair is a name carried by four distinct men in the Hebrew Bible: a Manassite chieftain who stamps his name on a trans-Jordan town-cluster, a Gileadite judge with thirty mounted sons, a Benjamite ancestor of Mordecai, and the father of David's giant-slayer Elhanan. All four are gathered under a single entry, and the underlying material divides cleanly between Manasseh's conquest, the judgeship period, and two later genealogical notices.
Jair the Manassite Conqueror
The first Jair appears in the trans-Jordan settlement narrative as the son of Manasseh who seizes a town-group and rebrands it. The conquest is reported tersely in Numbers: "And Jair the son of Manasseh went and took its towns, and called them Havvoth-jair" (Nu 32:41). Deuteronomy expands the geographical scope: "Jair the son of Manasseh took all the region of Argob, to the border of the Geshurites and the Maacathites, and called them, even Bashan, after his own name, Havvoth-jair, to this day" (De 3:14). The pairing of going-verb and take-verb describes a campaign, the to-the-border clause fixes the frontier at the Geshurite-Maacathite line, and the call-verb stamps the seized Bashan-area with his personal name as Havvoth-jair, a label the Deuteronomic narrator marks with a to-this-day durability.
Joshua's tribal-allotment list confirms the result: the half-tribe of Manasseh's eastern border runs "from Mahanaim, all Bashan, all the kingdom of Og king of Bashan, and all the towns of Jair, which are in Bashan, threescore cities" (Jos 13:30). The Solomonic district list still recognizes the same holding centuries later under Ben-geber's prefecture: "in Ramoth-gilead (to him [pertained] the towns of Jair the son of Manasseh, which are in Gilead; [even] to him [pertained] the region of Argob, which is in Bashan, threescore great cities with walls and bronze bars)" (1Ki 4:13).
The Chronicler supplies the genealogical detail. Jair is the son of Segub, "who had three and twenty cities in the land of Gilead" (1Ch 2:22), and 1Ch 2:23 records the later loss: "And Geshur and Aram took the towns of Jair from them, with Kenath, and its villages, even threescore cities. All these were the sons of Machir the father of Gilead." The twenty-three-city figure of 1Ch 2:22 and the threescore-city figure of Jos 13:30, 1Ki 4:13, and 1Ch 2:23 are the two numerical notices the tradition holds together for Havvoth-jair.
Jair the Gileadite Judge
The second Jair belongs to the post-Abimelech judge sequence. After Tola, "after him arose Jair, the Gileadite; and he judged Israel twenty and two years" (Jg 10:3). The arise-verb takes Jair as subject, the Gileadite-tag fixes his trans-Jordan origin, and the twenty-and-two-years clause sets the tenure-length. His household is the distinguishing detail: "And he had thirty sons who rode on thirty donkey colts, and they had thirty cities, which are called Havvoth-jair to this day, which are in the land of Gilead" (Jg 10:4). The narrative closes with burial: "And Jair died, and was buried in Kamon" (Jg 10:5). The thirty-cities reuse of the Havvoth-jair label in the judgeship period overlaps lexically with the Manassite conquest tradition without merging the two figures.
Jair the Benjamite
The third Jair appears in the Mordecai genealogy at the opening of Esther: "There was a certain Jew in Shushan the palace, whose name was Mordecai, the son of Jair, the son of Shimei, the son of Kish, a Benjamite" (Es 2:5). Jair here is one generational link back from Mordecai in a four-name line that anchors the Persian-court Jew to the Saulide Benjamite house through Kish.
Jair the Father of Elhanan
The fourth Jair surfaces in the Chronicler's Philistine-war notice: "And there was again war with the Philistines; and Elhanan the son of Jair slew Lahmi the brother of Goliath the Gittite, the staff of whose spear was like a weaver's beam" (1Ch 20:5). The patronymic is the only datum the verse gives about him; he is named only as the father of the warrior who fells Lahmi.