Поклявшись

72 Пётр сно́ва все отрица́л,

72 Peter again [all, always, any, every, everybody, everyone, everything] denied,

поклявшись,

что́ он не зна́ет Э́того Челове́ка.

[what, that, why] he [never, not] knows This Human.

And again he denied it with an oath:
“I do not know the man.”
Matthew 26:72 ESV

And again he denied with an oath,
I do not know the man.
Matthew 26:72 KJV