New Living Translation
Then the king deeply regretted what he had said; but because of the vows he had made in front of his guests, he couldn’t refuse her.

American Standard Version
And the king was exceeding sorry; but for the sake of his oaths, and of them that sat at meat, he would not reject her.

Berean Study Bible
The king was consumed with sorrow, but because of his oaths and his guests, he did not want to refuse her.

Douay-Rheims Bible
And the king was struck sad. Yet because of his oath, and because of them that were with him at table, he would not displease her:

English Revised Version
And the king was exceeding sorry; but for the sake of his oaths, and of them that sat at meat, he would not reject her.

King James Bible
And the king was exceeding sorry; yet for his oath's sake, and for their sakes which sat with him, he would not reject her.

World English Bible
The king was exceedingly sorry, but for the sake of his oaths, and of his dinner guests, he didn't wish to refuse her.

Young's Literal Translation
And the king -- made very sorrowful -- because of the oaths and of those reclining (at meat) with him, would not put her away,

Mark 6:26 Additional Translations ...