King James Bible
Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ;

New King James Version
Bondservants, be obedient to those who are your masters according to the flesh, with fear and trembling, in sincerity of heart, as to Christ;

American Standard Version
Servants, be obedient unto them that according to the flesh are your masters, with fear and trembling, in singleness of your heart, as unto Christ;

Berean Study Bible
Slaves, obey your earthly masters with respect and fear and sincerity of heart, just as you would obey Christ.

Douay-Rheims Bible
Servants, be obedient to them that are your lords according to the flesh, with fear and trembling, in the simplicity of your heart, as to Christ:

English Revised Version
Servants, be obedient unto them that according to the flesh are your masters, with fear and trembling, in singleness of your heart, as unto Christ;

World English Bible
Servants, be obedient to those who according to the flesh are your masters, with fear and trembling, in singleness of your heart, as to Christ;

Young's Literal Translation
The servants! obey the masters according to the flesh with fear and trembling, in the simplicity of your heart, as to the Christ;

Ephesians 6:5 Additional Translations ...