>>518749327
In those coins, Hadrian (there are many other coins of other emperors doing the same) recreates wedding imagery with the Junones (female essence of a province) under the imperial household.
in the imperial household itself, Concordia Augusta was venerated, the goddess of harmony, to safeguard harmony between the imperial husband and wife, as well as between ruler and subject, empire and province, and plebeian and patrician, master and slave.
'Dominus Noster' (our lord) was attested in inscriptions to Diocletian Augustus (who razed churches to the ground and proscribed Christianity as hostile to the State) and Maximian (his co-Augustus). It reflects the language used for the household father. It was stolen by Christianity along with many other titles, but that's another subject...