Relationships

• Nephew – son of one's brother/sister (and his/her spouse).
• Niece – daughter of one's sister/brother (and her/his spouse).
• Half-nephew – son of one's half-brother/half-sister.
• Half-niece – daughter of one's half-brother/half-sister.
• Nephew-in-law – son of one's sister-in-law/brother-in-law; husband of one's niece.
• Niece-in-law – daughter of one's sister-in-law/brother-in-law; wife of one's nephew.
• Step-nephew – son of one's stepbrother/sister, or stepson of one's brother/sister, or stepson of one's stepbrother/stepsister.
• Step-niece – daughter of one's stepbrother/sister, or stepdaughter of one's brother/sister, or stepdaughter of one's stepbrother/stepsister.
• Half-nephew-in-law – son of one's wife/husband's half-brother/half-sister; husband of one's half-niece
• Half-niece-in-law – daughter of one's wife/husband's half-brother/half-sister; wife of one's half-nephew
• Step-niece-in-law – daughter of one's wife/husband's stepbrother/stepsister; wife of one's step-nephew
• Step-nephew-in-law – son of one's wife/husband's stepbrother/stepsister; husband of one's step-niece
• Great-nephew – son of one's nephew/niece, grandson of one's sister/brother.
• Great-niece – daughter of one's nephew/niece, granddaughter of one's sister/brother.
• Half-great-nephew – son of one's half-nephew/niece.
• Half-great-niece – daughter of one's half-nephew/niece.