Related Clues:
- Direct descent
- Study of trees?
- Around noon, top fighter pilots attempt descent
- Tree-research science
- Railway following tortuous ascent and descent
- Certs come to grief in some race
- Forebears taking part in romances tryst
- Ethnic descent
- Northern bishop in no particular line
- (A person's) descent
- Church avoids opportunities to test lineage
- Family descent
- Study of family descent
- A new call to preserve established line
- Ten rocks with scary descent