stepgranddaughter-in-law

Stepgrandchild's wife.

My stepgranddaughter-in-law is a good person.

co-grandaunt-in-law

Spouse's grandpibling's wife.

My co-grandaunt-in-law is a good person.

stepcousin

1- Steppibling's child.
2- Pibling's stepchild.
3- Step-first-cousin.

My stepcousin is a good person.

stepbrother

The son of one's stepparent by a marriage other than with one's own parent.

My stepbrother is a good person.

granddaughter

Child's daughter.

My granddaughter is a good person.

step-co-sister-in-law

Spouse's stepsibling's wife.

My step-co-sister-in-law is a good person.

great-great-grandaunt-in-law

1- Great-great-grandpibling's wife.
2- Spouse's great-great-grandaunt.

My great-great-grandaunt-in-law is a good person.