When he was twelve years old, Dayang Sumbi asked Sangkuriang to bring a deer's heart. But after many days in the woods, he could not find a deer's. He did not want to disappoint his mother, so he killed tumang and broughthis heart home andgave it to his mother. Because of her love to Tumang, Dayang Sumbi knewit was his heart not adeer heart. She got very angry at Sangkuriang. She hit him with a piece of wood on his forehead, and told him to go away. Badly wounded, Sangkuriang left her and the village.