| Clue | Source | Date |
|---|---|---|
| Several Norwegian kings | Wall Street Journal | 29 Apr 2019 |
| Several Norwegian kings | ||
| Five Norwegian kings | New York Times | 16 Jul 2017 |
| Five Norwegian kings | ||
| Five Norwegian kings | LA Times Daily | 16 Jun 2015 |
| Five Norwegian kings | ||
| Five Norwegian kings | ||
| They're on Harald V's family tree | ||
| Five kings of Norway | ||
| Several Norwegian kings | ||
| Several Norwegian kings | ||
| Norwegian kings | ||
| Norwegian kings | ||
| Kings of Norway | ||
| Norway kings. |