Primary

• Setsuna Twin Sister of Towa Higurashi
• Setsuna Daughter of Sesshomaru
• Setsuna Cousin of Moroha
• Setsuna Daughter of Rin (Adult)

Extended

• Sesshomaru Older Brother of Inuyasha
• Sesshomaru Husband of Rin
• Sesshomaru Brother-in-law of Kagome Higurashi
• Sesshomaru Enemy of Naraku
• Towa Higurashi Twin Sister of Setsuna
• Towa Higurashi Daughter of Sesshomaru
• Towa Higurashi Cousin of Moroha
• Towa Higurashi Niece of Inuyasha
• Towa Higurashi Niece of Kagome Higurashi
• Towa Higurashi Niece of Souta Higurashi
• Towa Higurashi Daughter of Rin (Adult)
• Moroha Niece of Sesshomaru
• Moroha Daughter of Inuyasha
• Moroha Daughter of Kagome Higurashi
• Moroha Cousin of Setsuna
• Moroha Cousin of Towa Higurashi
• Moroha Niece of Souta Higurashi