Oscar dies without a will. During his lifetime, he had three children, Alice, Bob, and Charlie. Bob and Charlie predeceased Oscar, while Alice is alive at the time of Oscar's death. Alice has no children, and Charlie's children all predeceased Oscar. Bob had three children, Frank and George who survived Oscar, and Harriet, who did not. Oscar had one brother, Peter, still living, who has one child, Jacob, and Jacob has one child, Kenneth. Oscar's mother and father have predeceased him. Oscar had no spouse. Who are Oscar's heirs in a traditional intestate succession system