Valkstrid

Valkstrid is the femslash ship between Astrid and Valka from the How to Train Your Dragon fandom.

Canon
Astrid and Valka have always been on good terms. From the very first time they met, Valka has always been supportive of Hiccup and Astrid's relationship, and Astrid is very happy that Hiccup found his long lost mother.

How to Train Your Dragon 2
Astrid first met Valka.

How to Train Your Dragon: The Hidden World
Astrid and Valka worked together as warriors.

Moments
In one of the deleted scenes from the third film, Valka talks to Astrid about her wedding with Hiccup.