Zechariah 12:12-14

12:12 The land will mourn, clan by clan – the clan of the royal household of David by itself and their wives by themselves; the clan of the family of Nathan ¹  by itself and their wives by themselves; 12:13 the clan of the descendants of Levi by itself and their wives by themselves; and the clan of the Shimeites ²  by itself and their wives by themselves – 12:14 all the clans that remain, each separately with their wives.”

[12:12]  ¹ sn By the time of Zechariah the line of descent from David had already been transferred from the Solomon branch to the Nathan branch (the clan of the family of Nathan). Nathan was a son of David (2 Sam 5:14) through whom Jesus eventually came (Luke 3:23-31). Matthew traces Jesus’ ancestry back through Solomon (Matt 1:6-16) but apparently this is to tie Joseph into the Davidic (and thus messianic) line. The “official” descent of Jesus may be viewed as passing through Solomon whereas the “physical” descent came through Nathan.

[12:13]  ² sn The Shimeites were Levites (Exod 6:16-17; Num 3:17-18) who presumably were prominent in the postexilic era. Just as David and Nathan represented the political leadership of the community, so Levi and Shimei represented the religious leadership. All will lament the piercing of the Messiah.