A possible concise summary is:
Marvin and his wife try to feed Jeffy green beans, but he refuses and lies about eating them. They find out that Jeffy's real mother is looking for him and she comes to take him away. Jeffy tells them that his mother abandoned him a year ago and he doesn't want to go with her. Marvin lets her take him, but then regrets it and calls the police. The police arrest Jeffy's mother for child abuse and reveal that Jeffy is the son of a famous painter who died and left him millions of dollars. Marvin decides to adopt Jeffy before knowing he is rich.
Some possible facts extracted from the text are:
1. Jeffy is a 12-year-old boy who wears a blue helmet and a yellow shirt.
2. Jeffy's biological mother is Nancy, who abandoned him at an apartment complex a year ago.
3. Jeffy's biological father is Jacques Pierre Francois, a famous painter who died and left millions of dollars to his unknown son.
4. Jeffy was adopted by Marvin, who initially wanted to send him to foster care.
5. Nancy was arrested for child abuse, spitting on an officer, and stealing a car.
6. Jeffy will inherit his father's fortune when he turns 18.