What is the fine-grained topic of the following text: Along with his wife of 70 years Marjorie, Donald is survived by his children, Debra (John) Smith, Bruce (Elizabeth) Robinson, and Barbara (Brian) Adams; grandchildren, Brent (Lyndsi) Smith, Laura Smith (fiancé, David McNeely), Bradley (Abagail) Smith, Cameron (Melissa) Smith, Bethany Robinson (husband, Dr. Ryan Jay), Matthew (Brooke) Robinson, Joel (Kelly) Robinson, Aaron (Tiffany) Adams, and Nicholas Adams; great-grandchildren, Kalli Smith, Rylee Smith, Warrick Robinson, Tynnley Robinson, Paisley Robinson, Kyndall Robinson, Iris Robinson, Ike Robinson, Ivy Robinson, and Griffin Adams. Only return the topic.
Donald's family and descendants.