en_tn_condensed/2sa/02/10.md

the house of Judah followed David

Obeying David's rule is spoken of as "following" him. Alternate translation: "the tribe of Judah obeyed David as their king" (See: rc://en/ta/man/jit/figs-idiom)

house of Judah

Here "house" is used to mean "tribe."