6 “He had one left to send, a son, whom he loved. He sent him last of all, saying, ‘They will respect my son.’

Read Mark 12:6 Using Other Translations

Having yet therefore one son, his wellbeloved, he sent him also last unto them, saying, They will reverence my son.
He had still one other, a beloved son. Finally he sent him to them, saying, 'They will respect my son.'
until there was only one left—his son whom he loved dearly. The owner finally sent him, thinking, ‘Surely they will respect my son.’