David Rockefeller , the last surviving grandchild of John D. Rockefeller , is about to turn 90 , and he has been in a generous mood lately .
David Rockefeller /people/person/children John D. Rockefeller
NNP NNP , DT JJ VBG NN IN NNP NNP NNP , VBZ IN TO VB CD , CC PRP VBZ VBN IN DT JJ NN RB .
David Rockefeller
PERSON
John D. Rockefeller
PERSON
/people/person/children