Non-profit organizations are not in business to make a profit. This simple but significant issue points to the absence of profits or losses in the non-profit world--a major difference as compared with the for-profit firms.
Dr. Seuss had no children and, despite authoring children's books, he was neither fond of nor comfortable around those of others. He would brag about a daughter, Chrysanthemum-Pearl, but she was a work of fiction.
In Mockingjay, Katniss finds out that Mrs. Undersee, her husband and Madge, as well as the two people who worked for them, did not survive the bombing of District 12. Mrs. Undersee's husband is the mayor of District 12. She had one daughter, Madge. Mrs. Undersee also had a twin sister named Maysilee, who was killed in the 50th Hunger Games. Mrs. Undersee and Maysilee Donner are the only known pair of twins in the trilogy.