grandparent

Parent's parent.

My grandparent is a good person.

half-aunt

Parent's half-sister.

My half-aunt is a good person.

great-great-great-grandchild

Great-great-grandchild's child.

My great-great-great-grandchild is a good person.

great-great-great-grandfather

Great-great-grandparent's father.

My great-great-great-grandfather is a good person.

sister

Girl or woman who has the same two parents in common with someone.

My sister is a good person.

grandniece

Sibling's granddaughter.

My grandniece is a good person.

mother

Girl or woman who gave birth to a child or more children.

My mother is a good person.