A child is an "Indian Child" under ICWA if:
• He or she is an unmarried person under the age of 18, and
1. The child is a member of a federally recognized Indian tribe; or
2. a) Eligible for membership in a federally recognized Indian tribe and
2. b) Is the biological child of a member/ citizen of a federally recognized Indian tribe.
25 U.S.C. § 1903(4)