Verses with the word manahethites in the Old Testament (2 verses):

1 Chronicles 2:52
And Shobal the father of Kirjathjearim had sons; Haroeh, and half of the Manahethites.

1 Chronicles 2:54
The sons of Salma; Bethlehem, and the Netophathites, Ataroth, the house of Joab, and half of the Manahethites, the Zorites.