Spanish to English Other Certificates, Diplomas, Licenses, CVs birth certificates

"Datos de la madre o del padre (para casos de pueblos indígenas con linea matrilineal o parejas del mismo sexo, anotar el progenitor que indiquen los declarantes para el segundo apellido del inscrito)."

The above text appears in one of the sections of a birth certificate from Colombia.

Thank you all in advance for your answers, ideas, and suggestions.