What was the relationship between Rachel and Jesus?
Matthew quotes the prophet Jeremiah: Rachel weeps for her children. He applies it to the children of Bethlehem whom Herod had killed. Matthew 2:16-18; Jeremiah 31:15
What the Bible says
Jeremiah 31:15
Thus saith the Lord: A voice was heard on high of lamentation, of mourning, and weeping, of Rachel weeping for her children, and refusing to be comforted for them, because they are not.
Matthew 2:18
A voice in Rama was heard, lamentation and great mourning; Rachel bewailing her children, and would not be comforted, because they are not.
Douay-Rheims Bible (Challoner revision), public domain.