That Has Never Been My Name 1999 on netflix

Rianne and Freek have three adopted children. They have a stable and happy family until the eldest son, Gilles (17), doubts his parents’ love and sets off in search of his roots in Belgium. The family atmosphere is disrupted. Freek manages to calm the conflicts by talking, but swallows a lot of feelings. This affects his health. Rianne doesn’t know whether she can keep the family together on her own.