because their mom and dad were madrigals
i believe Amy and Dan are Madrigals.
In Book Seven: The Viper's Nest: Amy and Dan Cahill figure out they are Madrigals
Amy and dan are madrigals, the man in black is their great-uncle, fiske cahill, Nallie is a madrigal too, and Fiske and nellie are the new legal guardians of Amy and dan.
In the book THE VIPER'S NEST it reveals the Dan and Amy are Madrigals.
Madrigals
They are Madrigals. So are Grace and Hope Cahill.
They are Madrigals descended from Madeline Cahill through Grace and Hope Cahill.
Amy and Dan are Madrigals. The Madrigals decended from Madeline Cahill. Olivia Cahill (the original cahill) was pregnant with her when Olivia died. Madeline then decided to carry out her mother's wishes. Madrigals try to keep the other branches from finding all the 39 clues. Hope this helps! :)
They are Madrigals and so are Grace and Hope Cahill. You find out in Book 7: The Viper's Nest.
They are Madrigals. It comes from Grace and Hope's side of the family. Amy and Dan learn this in Viper's Nest, Book7.
they are Madrigals. i read book 7 today!!!
Because they were close to the 39 clues and were madrigals Amy and Dan Cahill's Father was a VESPER... The Vespers set the fire and their father escaped