Emmanuel was a family man and extremely wealthy. When he died at the age of 99,10 children, 30 grandchildren, and 45 great-grandchildren survived him. His surviving family members spent a great deal of time discussing who was legal "issue" of the deceased and who was not. Which of the following individuals is not "issue" of Emmanuel? a) His great-grandson's legally adopted daughter. b) The unborn child carried by his granddaughter. c) His daughter's illegitimate son. d) His grandson's foster son