stepdaughter

Spouse's daughter (other spouse's non-daughter).

My stepdaughter is a good person.

stepson

Spouse's son (other spouse's non-son).

My stepson is a good person.

son

Male that is the result of the union of two gametes.

My son is a good person.

mother

Female who generated other living beings in her uterus.

My mother is a good person.

daughter

Female that is the result of the union of two gametes.

My daughter is a good person.

stepsister

Stepparent's daughter (parent's stepdaughter).

My stepsister is a good person.

stepchild

Spouse's child (other spouse's non-child).

My stepchild is a good person.