And with him ten princes. Phinehas represented the tribe of Levi, the high priest being too great to permit of his forming part of such a deputation. The actual head of each tribe accompanied him; that is, the head of the family, as we should call it, in each tribe.
This seems preferable to Keil's idea, that some tribes were represented by a prince, and some by heads of families, which seems inadmissible from the fact that the Hebrew states that each tribe was represented in the same manner, אֶחַד נְשִׂיא אֶחַד נְשִׂיא.
What is doubtless intended here is to emphasize the weight and importance of the deputation sent with Phinehas, a weight and importance befitting an embassy which might have to announce the determination to exterminate the two and a half tribes as completely as Jericho had been exterminated.
The mention of ten princes shows that the cis-Jordanic half tribe of Manasseh was represented. Tribes. The word here, after "father's house," is the genealogical מַטֶּה not the political שֶׁבֶט. The thousands.
Or families (as in 6:15; 1 Samuel 10:19). See however Introduction, p. 29.