Ronja the Robber's Daughter
山賊の娘ローニャ (original)
Ronja is the only daughter of Mattis, a bandit leader who lives in a castle in the middle of a large forest. When Ronja grows old enough, she ventures into the forest to interact the strange and magical creatures that live there. She learns to live in the forest through her own strength, with the occasional rescue from her parents. Ronja's life begins to change, however, when she happens upon a boy her own age named Birk.
Starring Haruka Shiraishi, Reika Uyama, Yukari Nozawa, Mika Doi, Takaaki Seki, Atsuki Tani
It's a animation and family show, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Netherlands.