Just answer only the thing that sound science-like. I am an Ekat. I should know.
death
Janus, Lucian, Tomas, Ekaterina and Madrigals.
death.It works!
The branches in the 39 clues are Ekaterina, Janus, Lucian, Tomas and Madrigal
Ekaterina
the anwser is death.
Amy and Dan Cahill are part of the Ekaterina branch in the 39 Clues series. The Ekaterina branch is known for their intelligence and passion for knowledge.
CERN card 60
death
Alistair and Bae Oh.
Lucian, Ekaterina, Tomas, Janus, andthe Madrigals.
Ekaterina, Tomas, Janus, Lucian.