2 Kings 10:15 New King James Version (NKJV)
The Rest of Ahab’s Family Killed
15 Now when he departed from there, he [a]met Jehonadab the son of Rechab, coming to meet him; and he greeted him and said to him, “Is your heart right, as my heart is toward your heart?”
And Jehonadab answered, “It is.”
Jehu said, “If it is, give me your hand.” So he gave him his hand, and he took him up to him into the chariot.