King James Version
To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:English Standard Version
To them he presented himself alive after his suffering by many proofs, appearing to them during forty days and speaking about the kingdom of God.New International Version
After his suffering, he showed himself to these men and gave many convincing proofs that he was alive. He appeared to them over a period of forty days and spoke about the kingdom of God.