They left Bethel, and when they were still some distance from Ephrath, Rachel went into hard labor.
References for Genesis 35:16
During her difficult labor, the midwife said to her, "Don't be afraid. You have another son."
As her life faded away, just before she died, she named him Ben-oni, but his father named him Benjamin.
References for Genesis 35:18
Rachel died and was buried near the road to Ephrath, that is, Bethlehem.
Jacob set up a pillar on her grave. It's the pillar on Rachel's tomb that's still there today.
Israel continued his trip and pitched his tent farther on near the tower of Eder.