Seed of David
This episode focuses on the underpinnings of "having been set out son of God in power" in Romans 1.3,4.
the gospel concerning his son, who was descended from David according to the flesh and was declared to be Son of God with power according to the spirit of holiness by resurrection from the dead, Jesus Christ our Lord
Our working translation:
[holy writings] concerning the son of him, the one having come from the seed of David according to flesh, having been set out son of God in power according to a spirit of holiness by a resurrection of dead ones, Jesus Christ, the Lord of us,