en_tn/1co/01/01.md

Sosthenes our brother

This indicates that both Paul and the Corinthians knew Sosthenes. AT: "Sosthenes the brother you and I know." (See rc://en/ta/man/translate/translate-names)

called to be saints

AT: "God called them to be saints" (See: rc://en/ta/man/translate/figs-activepassive)

with all

together with all other Christians. AT: "together with"

their Lord and ours

Jesus is the Lord of Paul and the Corinthians and the same Lord of all the churches. (See: rc://en/ta/man/translate/figs-inclusive)

to you

The word "you" to the believers in Corinth. (See: rc://en/ta/man/translate/figs-you)