abstract:Sanglay (Sanglaye, Sanglay Mestizo, Mestisong Sanglay, Mestizo de Sanglay or Chinese mestizo; plural: Sanglays or Sanglayes), is an archaic term used in the Philippines to describe and classify a person of pure Chinese ancestry, while mestizo de sanglay was used to refer to a person of mixed Chinese and indigenous ancestry (the latter were referred to as Indio during the Spanish Colonial Period). Sanglay mestizo was a term widely used in the 16th to 19th-century Spanish Philippines to differentiate ethnic Chinese from other types of island mestizos (such as those of mixed Indio and Spanish ancestry, who were much fewer in number.