Old parents and middle-aged children: the four- and five-generation family.
D000368:Aged; D000375:Aging; D003858:Dependency, Psychological; D005190:Family; D005260:Female; D006801:Humans; D008136:Longevity; D008297:Male; D008875:Middle Aged; D010287:Parent-Child Relations; D012944:Social Support; D014481:United States