New Living Translation
until there was only one left—his son whom he loved dearly. The owner finally sent him, thinking, ‘Surely they will respect my son.’

American Standard Version
He had yet one, a beloved son: he sent him last unto them, saying, They will reverence my son.

Berean Study Bible
Finally, having one beloved son, he sent him to them. ‘They will respect my son,’ he said.

Douay-Rheims Bible
Therefore having yet one son, most dear to him; he also sent him unto them last of all, saying: They will reverence my son.

English Revised Version
He had yet one, a beloved son: he sent him last unto them, saying, They will reverence my son.

King James Bible
Having yet therefore one son, his wellbeloved, he sent him also last unto them, saying, They will reverence my son.

World English Bible
Therefore still having one, his beloved son, he sent him last to them, saying, 'They will respect my son.'

Young's Literal Translation
'Having yet therefore one son -- his beloved -- he sent also him unto them last, saying -- They will reverence my son;

Mark 12:6 Additional Translations ...