The term quadroon was used to designate a person of one-quarter African/Aboriginal ancestry, that is one biracial parent (African/Aboriginal and Caucasian) and one Caucasian parent; in other words, one African/Aboriginal grandparent and three Caucasian grandparents.[2]
The term mulatto was used to designate a person who was biracial, with one black parent and one white parent.[2]
The term octoroon referred to a person with one-eighth African ancestry;[3] that is, someone with family heritage of one biracial grandparent, in other words, one African great-grandparent and seven Caucasian great-grandparents. As with the use of "quadroon", this word was applied to a limited extent in Australia for those of one-eighth Aboriginal ancestry, in the putting in place of government assimilation policies.
Terceron was a term synonymous with "octoroon," derived from being three generations of descent from an African ancestor (great-grandparent).[4] The term mustee was also used to refer to a person with one-eighth African ancestry with mustefino refers to a person with one-sixteenth African ancestry.[2] The terms "quintroon" or "hexadecaroon" were also applied.
The term griffe or sambo has been used for someone of three-quarters African heritage, or the child of a biracial parent and a fully black parent. [2]