| OLDLATIN | Language ancestor of Spanish |
| LATIN | Romance languages ancestor |
| ASHER | Eighth son of Jacob in the Bible and ancestor of one of the 12 tribes of Israel (5) |
| SCOTA | Daughter of an Egyptian pharaoh and ancestor of the Gaels (connected to the Stone of Scone legend) |
| OMIKAMI | Japanese goddess of the sun; major deity of the Shinto religion and claimed ancestor of the imperial dynasty (7) |
| AMATERASU | Japanese goddess of the sun; major deity of the Shinto religion and claimed ancestor of the imperial dynasty (9) |
| PROCONSUL | An extinct genus of primate, possibly an ancestor of humans also an official of ancient Rome (9) |
| ABRAHAM | First ancestor of the nation of Israel (7) |
| SHEM | Who, the eldest of Noah's sons, is the traditional ancestor of the Hebrews? (4) |
| GUANACO | Mammal of South America believed to be an ancestor of the domestic llama (7) |
| WILDCAT | Ancestor of today's queen, for example? Well, kind of |
| ESAU | In the Old Testament, the twin brother of Jacob, the ancestor of the Edomites (4) |
| AENEID | A Latin epic poem written by Virgil, telling the legendary story of a Trojan hero who became the ancestor of the Romans (6) |
| IXION | King of the Lapiths in Thessaly said to have been the ancestor of the centaurs (5) |
| EVADNE | Daughter of Poseidon who was the ancestor of a prophetic clan |
| ABACUS | A block or tablet on the capital of a classical architectural column; or, a frame with beads for counting units, tens, hundreds etc, that is the ancient ancestor of the modern calculator (6) |
| NODDY | Blytonian companion of Big Ears; a tern whose genus Anous means "stupid" or "foolish"; the ancestor of cribbage; or, the jack in this game (5) |
| ISHMAEL | Son of Abraham and traditional ancestor of Mohammed (7) |
| PELEG | An ancestor of Abraham |
| TAHAN | An ancestor of Joshua |