KJV : Wherein <1722> <3739> God <2316>, willing <1014> (5740) more abundantly <4054> to shew <1925> (5658) unto the heirs <2818> of promise <1860> the immutability <276> of his <846> counsel <1012>, confirmed <3315> (5656) [it] by an oath <3727>: {confirmed...: Gr. interposed himself by}

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NASB : In the same way God, desiring even more to show to the heirs of the promise the unchangeableness of His purpose, interposed with an oath,

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NASB# : In the same<3739> way God<2316>, desiring<1014> even<4053> more<4053> to show<1925> to the heirs<2818> of the promise<1860> the unchangeableness<276> of His purpose<1012>, interposed<3315> with an oath<3727>,