1 Corinthians 15:6

After that, he was seen of above five hundred brethren at once; of whom the greater part remain unto this present, but some are fallen asleep.

Cross References

Matthew 28:10 Then said Jesus unto them, Be not afraid: go tell my brethren that they go into Galilee, and there shall they see me.
Matthew 28:16-17 Then the eleven disciples went away into Galilee, into a mountain where Jesus had appointed them. And when they saw him, they worshipped him: but some doubted.
Mark 16:7 But go your way, tell his disciples and Peter that he goeth before you into Galilee: there shall ye see him, as he said unto you.
Acts 7:60 And he kneeled down, and cried with a loud voice, Lord, lay not this sin to their charge. And when he had said this, he fell asleep.
Acts 13:36 For David, after he had served his own generation by the will of God, fell on sleep, and was laid unto his fathers, and saw corruption:
1 Corinthians 15:18 Then they also which are fallen asleep in Christ are perished.
1 Thessalonians 4:13 But I would not have you to be ignorant, brethren, concerning them which are asleep, that ye sorrow not, even as others which have no hope.
1 Thessalonians 4:15 For this we say unto you by the word of the Lord, that we which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.
2 Peter 3:4 And saying, Where is the promise of his coming? for since the fathers fell asleep, all things continue as they were from the beginning of the creation.