mother with another person.
a brother by one parent, but not by both.
a female who has the same parents with another person.
a sister by one parent, but not by both.
the brother of one's father or mother; also applied to an aunt's husband.
the sister of one's father or mother.
a father's or mother's uncle.
the aunt of one's father or mother.
a daughter of one's brother or sister, or of one's brother-in-law or sister-in-law.
the grandson of one's brother or sister.
the granddaughter of one's brother or sister.
the brother of one's husband or wife; also, the husband of one's sister.
the sister of one's husband or wife; also, the wife of one's brother.
the father of one's husband or 