Meonothai was the father of Ophrah. Seraiah was the father of Joab, the father of GeHarashim. It was called this because its people were skilled workers.
NIV
Meonothai was father of Ophrah, and Seraiah of Joab the father of Ge-harashim [the Valley of Craftsmen], so named because they were craftsmen.
AMP
And Meonothai begat Ophrah: and Seraiah begat Joab, the father of the valley of Charashim; for they were craftsmen.
KJV
"Now you have been pleased to bless the house of your servant, that it may continue forever in your sight; for you, LORD, have blessed it, and it will be blessed forever."
NIV
Therefore may it please You to bless the house (posterity) of Your servant, that it may continue before You forever; for what You bless, O Lord, is blessed forever.
AMP
Now therefore let it please thee to bless the house of thy servant, that it may be before thee for ever: for thou blessest, O LORD, and it shall be blessed for ever.
KJV