Question: are dialga and palkia brothers?
Answer: Historic texts usually depict Palkia as a bipedal winged dragon of white and magenta and studded with pearls. He is one of Arceus' children, brother of the god Giratina and twin brother of the god Dialga. ... Unlike Giratina and Dialga, who have permanent places of dwelling, Palkia is content to call almost anywhere home.