| HAILESELASSIE | African ruler whose name means "Power of the Trinity" |
| KRAFTWERK | Band whose name means "power plant" in German |
| TSAR | Bygone ruler whose name is an anagram of an oath |
| FORTWORTH | 'The City of Cowboys and Culture', in northern Texas at the confluence of the Clear and West forks of the Trinity River (4,5) |
| UNITARIAN | Person asserting the unity of God, and rejecting the doctrine of the Trinity (9) |
| LOGOS | In Christian theology, the Word of God, incarnate in the second person of the Trinity (5) |
| HUPA | A member of the Athapaskan people of the Trinity River valley in California. |
| ONEINTHREE | Slight as the chances are, could this be the mystery of the Trinity? (3,2,5) |
| SON | Part of the Trinity, with "the" |
| GODTHEFATHER | The first person of the Trinity, in Christianity (3,3,6) |
| HOLYGHOST | In Christianity, the third person of the trinity (4,5) |
| MONOTHEISM | Belief or doctrine that there is only one God, sometimes considered incompatible with the concept of the Trinity (10) |
| JESUS | Second part of the Trinity |
| COETERNAL | It's characteristic of the Trinity to display tolerance (9) |
| HOLYSPIRIT | Third one of the Trinity (4,6) |
| SPIRIT | Holy ___ (one of the Trinity) |
| AUTHORITYFIGURE | Power from the movies in writer, I reckon, means power to the psyche (9,6) |
| MAUSOLUS | Ancient ruler whose tomb was a Wonder of the World (8) |
| EYAL | First name that means 'power' in Hebrew |
| CLEOPATRA | Ruler whose death led to the end of ancient Egypt’s last dynasty |
