YOU PEOPLE HELP ME

GENSHIN IMPACT STUFF OKAY?

SO THE WIKI SAYS NOTHING ABOUT KAEYA AND DULIC BEING ADOPTED SIBLINGS BUT THEN SOME RANDOM WEBSITES SAID THEY WERE

BUT THEN THE GAME/MANGA HASNT SAID IT AS FAR AS I CAN TELL

BUT SOME PEOPLE IN THE FANDOM SAY THEY ARE BUT SOME PEOPLE ALSO SHIP THEM

AM I SUPPOSED TO SHIP BECAUSE I DID THEN CHECKED BEFORE DOING SO THEN SAW IT WAS FINE BUT NOW IM CONFUSED

WHAT AM I SUPPOSED TO DO?????

ARE THEY SIBLINGS OR NOT?

HELP ME SMART PEOPLE PLEASE HELP