As of where the series stands now, there has been no mention of Norman's family.
Emma is the person he cares for dearly, and he has stated "he loves her." Being adopted siblings, they have been close throughout their entire lives. Norman is able to tolerate Emma's eccentricities and reckless behavior, even supported it at times. Norman wants to see her happy and will do anything to accomplish it. Although Emma is oblivious to Norman's feelings for her, she cares for him greatly and considers him as her strength. When Norman sacrificed his life to save Emma and the other orphans, Emma was left depressed and helpless for a long period of time after his departure from the orphanage.
When Emma shared several photos of her and her friends during their times in the orphanage with Mujika, Emma was shown to be rather emotional when she starts talking about Norman with her.
Norman sees Ray as a brother, due to them growing up together. He sees Ray's skills useful in aiding in the escape. However, Norman started to suspect Ray as the traitor. Sickened by his thoughts of suspecting Ray as a traitor, he sought after Emma's advice. Following his conversation with Emma, Norman decided to save Ray and use him as his spy.
Norman cares for Gilda like all of the other orphans. During his departure of orphanage, he entrusted her to take care of Emma and Ray.
Norman cares for Don like all of the other orphans. Despite being punched by Don during the Jail-Break arc, he held no grudge. Upon his departure from the orphanage, he entrusted him to take care of Emma and Ray.
Conny was a precious family member to him. He along with Emma was distraught upon learning of her death.
Norman cares for Phil like all of the other orphans. In the special omake (Volume 5), he entrusted Phil to help Emma.
Like Emma, Norman felt betrayed by Mama upon discovering the truth about the farm. Mama was the person who raised him, and he loved her very much. Norman's love for Mama vanished after discovering the truth about the orphanage. The discovery of Mama's role in the farm resulted in Norman's unemotional attempt in poisoning her in order to escape.
Norman distrusted Sister Krone, but he used her to his advantage. Norman was able to get intel on the farm and how to treat wounds from her.
- ↑ The Promised Neverland Manga, chapter 4 pages 15-16