| Answer | Crossword Clue |
|---|---|
| FIRSTBORNCHILD | Heir to the throne, perhaps |
| NEXTOFKINGS | Heir to the throne? |
| ELDEST | Heir to the throne |
| KINGSSPAWN | Heir to the throne? |
| OLAF | Heir to the throne of Norway. |
| ARN | Heir to the throne of Thule, in the comics |
| infante | any son of the king of Spain or of Portugal who is not heir to the throne |
| infantes | any son of the king of Spain or of Portugal who is not heir to the throne |
