| Clue | Source | Date |
|---|---|---|
| Quarreled bitterly | Premier Sunday | 25 Oct 2020 |
| Engaged in family fights | Eugene Sheffer | 22 Oct 2020 |
| Fought like rappers, perhaps | USA Today | 06 Jun 2019 |
| Fought like rappers, perhaps | ||
| Quarreled | Universal | 04 Oct 2018 |
| Quarreled | ||
| Didn't bury the hatchet, say | The Chronicle of Higher Education | 04 Dec 2015 |
| Didn't bury the hatchet, say | ||
| Fought like the Hatfields and McCoys | ||
| Had a long-running argument | ||
| Fought for decades | ||
| Fought for decades | ||
| Fought for generations | ||
| Kept up the quarrel | ||
| Quarreled bitterly | ||
| Quarreled | ||
| Quarreled at length |