1 Chronicles 26:10-11 -

The porters from the descendants of Merari are given in these two verses, in all thirteen. Hosah , it will be remembered, is found together with Obed-edom in 1 Chronicles 16:38 , as one of the porters of the the ark. These thirteen bring up the number of porters to ninety-three. We have read ( 1 Chronicles 9:22 ) that later the number became two hundred and twelve. Though… yet . The likelier translation of the Hebrew would be, For there was not a firstborn ( i.e. the issue of the firstborn had failed, and his line was therefore extinct), and his father made him the chief . Moreover, it is but probable that, if it had been a case of superseding the firstborn, the fact would not have been stated without an explanation of what had led to it or justified it.