So then after the Lord had spoken unto them, he was received up into heaven, and sat on the right hand of God.
All Commentaries on Mark 16:19 Go To Mark 16
Irenaeus of Lyons
AD 202
Also, towards the conclusion of his Gospel, Mark says: "So then, after the Lord Jesus had spoken to them, He was received up into heaven, and sitteth on the right hand of God; "