ESV: And Jonathan made David swear again by his love for him, for he loved him as he loved his own soul.
NIV: And Jonathan had David reaffirm his oath out of love for him, because he loved him as he loved himself.
NASB: And Jonathan made David vow again because of his love for him, because he loved him as he loved his own life.
CSB: Jonathan once again swore to David in his love for him, because he loved him as he loved himself.
NLT: And Jonathan made David reaffirm his vow of friendship again, for Jonathan loved David as he loved himself.
KJV: And Jonathan caused David to swear again, because he loved him: for he loved him as he loved his own soul.
NKJV: Now Jonathan again caused David to vow, because he loved him; for he loved him as he loved his own soul.