1 Chronicles 2:55
“And the families of the scribes which dwelt at Jabez; the Tirathites, the Shimeathites, and Suchathites. These are the Kenites that came of Hemath, the father of the house of Rechab.”
And the families of Kirjath–jearim; the Ithrites, and the Puhites, and the Shumathites, and the Mishraites; of them came the Zareathites, and the Eshtaulites.
The sons of Salma; Beth–lehem, and the Netophathites, Ataroth, the house of Joab, and half of the Manahethites, the Zorites.
And the families of the scribes which dwelt at Jabez; the Tirathites, the Shimeathites, and Suchathites. These are the Kenites that came of Hemath, the father of the house of Rechab.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And Saul said unto the Kenites, Go, depart, get you down from among the Amalekites, lest I destroy you with them: for ye shewed kindness to all the children of Israel, when they came up out of Egypt. So the Kenites departed from among the Amalekites.”
“And when he was departed thence, he lighted on Jehonadab the son of Rechab coming to meet him: and he saluted him, and said to him, Is thine heart right, as my heart is with thy heart? And Jehonadab answered, It is. If it be, give me thine hand. And he gave him his hand; and he took him up to him into the chariot.”
“Now Heber the Kenite, which was of the children of Hobab the father in law of Moses, had severed himself from the Kenites, and pitched his tent unto the plain of Zaanaim, which is by Kedesh.”
“This Ezra went up from Babylon; and he was a ready scribe in the law of Moses, which the Lord God of Israel had given: and the king granted him all his request, according to the hand of the Lord his God upon him.”
“And Saul said unto the Kenites, Go, depart, get you down from among the Amalekites, lest I destroy you with them: for ye shewed kindness to all the children of Israel, when they came up out of Egypt. So the Kenites departed from among the Amalekites.”