Swear to me in the Lord that you will not take away my offspring after me, nor take away my name from the house of my father.
Other versions
King James Version
And David sware unto Saul. And Saul went home; but David and his men gat them up unto the hold.English Standard Version
And David swore this to Saul. Then Saul went home, but David and his men went up to the stronghold.New International Version
So David gave his oath to Saul. Then Saul returned home, but David and his men went up to the stronghold.