New Living Translation
“No!” Peter declared emphatically. “Even if I have to die with you, I will never deny you!” And all the others vowed the same.

American Standard Version
But he spake exceedingly vehemently, If I must die with thee, I will not deny thee. And in like manner also said they all.

Berean Study Bible
But Peter kept insisting, “Even if I have to die with You, I will never deny You.” And all the others said the same thing.

Douay-Rheims Bible
But he spoke the more vehemently: Although I should die together with thee, I will not deny thee. And in like manner also said they all.

English Revised Version
But he spake exceeding vehemently, If I must die with thee, I will not deny thee. And in like manner also said they all.

King James Bible
But he spake the more vehemently, If I should die with thee, I will not deny thee in any wise. Likewise also said they all.

World English Bible
But he spoke all the more, "If I must die with you, I will not deny you." They all said the same thing.

Young's Literal Translation
And he spake the more vehemently, 'If it may be necessary for me to die with thee -- I will in no wise deny thee;' and in like manner also said they all.

Mark 14:31 Additional Translations ...