| CLEOPATRA | Last of the Ptolemaic rulers in Egypt |
| PHARAOH | Old ruler in Egypt played a harp? I'm surprised (7) |
| CLEO | Last Ptolemaic ruler, informally |
| PENDULUMS | Plumb bobs on lines, weights on strings or metronomic hanging things that constantly swing, like the chandelier in the Cathedral of Pisa that inspired the isochronism discoverer, Galileo, who later ch |
| GEOCENTRIC | Get the cornice repaired for the Ptolemaic system (10) |
| OLIGARCH | Name one of the rulers in a form of government in which the power is vested in a few (8) |
| SASSANID | Member of the last dynasty of native rulers in Persia (8) |
| ROSETTA | Ptolemaic dynasty stone discovered in Egypt, it had inscriptions in Ancient Egyptian and Ancient Greek, and it was key to deciphering old Egyptian scripts |
| ALEXANDRIA | Ancient capital of Ptolemaic Egypt (10) |
| CREON | Name of two rulers in Greek legend. one of Corinth and one of Thebes (5) |
| EMIRATES | Territory of independent rulers in the Islamic world (8) |
| DYNASTIC | Characterising a series of rulers in the same family (8) |
| ARGO | Ptolemaic constellation that is now divided into Carina (the keel), Puppis (the poop deck) and Vela |
| CASTRO | Revolutionary part of Ptolemaic astronomy |
| REDROOM | Where decisions are made by the Rulers in the 2023 show Rise And Fall (3,4) |
| PROVINCES | Old verse penned by some rulers in parts of Ireland (9) |
| FARMING | Distant rulers in China once working on the land |
| KHAN | Title of rulers in some Asian countries (4) |
| CZARS | Russian rulers in the pre-Communism days |
| SAUD | House of ___ (rulers in Arabia) |
