It is quite a simple question yet the answer is simpler!
Everyone who believes in and practices the four pillars of the Chaldean Nation (Constants), then he is ethnically Chaldean. The four Chaldean Constants are:
Chaldean National Constants
Our Nation’s name is the Chaldean Nation
Our Mother Tongue is the Chaldean language
Our National Symbol is the Chaldean National Flag
Our Chaldean legitimate history begins in 5300 B.C.
To learn more about the Diehard Chaldeans, read the compelling book
The Untold Story of Native Iraqis www.NativeIraqis-Story.com