Raiden Ei is the mother, she is strict but she has a soft spot for few things.
Raiden Makoto is her sister, the aunt of the children. She is kind and gentle.
Raiden Shogun, she is the second child, and the first daughter of the family. She is emotionless and she looks exactly like her mother.
Kunikuzushi, he is the eldest child and the first son of the family. He is a cold and rude. He doesn’t look like anyone from his family, and he is….shorter.
(Genshin Impact)