Basic Vietnamese Customs 1. The family is the basis of society, not the individual. Three to four generations may reside together in one home. Within the family, the wife deals with all household matters. The family name is placed first as an emphasis on the person's heritage.
Family members use different given names.
Large families are traditional. Children reside with their parents until marriage. The males marry between the ages of 20 and 30, while the females marry between the ages of 18 and 25. The marriages must be approved by the parents of both the male and female. This is true regardless of age.