Now historical and offensive (a descriptive term applied to) North American Indians (frequently with possessive adjective).
An expression of the fictive kinship terminology widely used in diplomatic relations by Indians of Eastern North America, according to which European monarchs and the President of the United States (and in some cases their official representatives) were fathers and the Indian nations children, but sometimes cited as emblematic of supposed condescension or paternalism..
Origin
Late 18th century; earliest use found in Massachusetts Magazine.