Ruth 4:17
And the women her neighbours gave it a name, saying, There is a son born to Naomi; and they called his name Obed: he is the father of Jesse, the father of David.
Cross-reference
Ruth 4:15
Parallel
In Ruth 4:15, the child is described as a restorer; here he is named Obed, connecting the promise to the name.
Luke 2:4
Historical context
Luke 2:4 shows Joseph going to Bethlehem because he is of David's line, directly connecting to the Davidic lineage established in Ruth 4:17 through Obed, Jesse, and David.
Isaiah 11:1
Prophetic fulfillment
Isaiah 11:1 prophesies a shoot from Jesse, whose father Obed is, placing Obed in the messianic line.