NET
1 Now regarding the arrival of our Lord Jesus Christ and our being gathered to be with him, we ask you, brothers and sisters,
Darby
1 Now we beg you, brethren, by the coming of our Lord Jesus Christ and our gathering together to him,
KJV
1 Now we beseech you, brethren, by the coming of our Lord Jesus Christ, and [by] our gathering together unto him,