1C1R-in-law

1- First-cousin-once-removed's spouse.
2- Spouse's first-cousin-once-removed.

My 1C1R-in-law is a good person.

co-1C1R-in-law

Spouse's first-cousin-once-removed's spouse.

My co-1C1R-in-law is a good person.

step-1C1R

1- Stepcousin's child.
2- Stepgrandpibling's child.
3- Grandpibling's stepchild.
4- Cousin's stepchild.

My step-1C1R is a good person.

half-1C1R

half-first-cousin-once-removed:
1- parent's half-cousin
2- half-cousin's child.

My half-1C1R is a good person.

1C1R

First-cousin-once-removed.

I don't know my 1C1R.

1C1R

First-cousin-once-removed.

My 1C1R is a good person.

double-1C1R

Double-first-cousin-once-removed: child of their grandparent’s full sibling with the other grandparent’s full sibling or child of their maternal first cousin with the paternal first cousin or double-first cousin’s child or child of their parent's parent's full sibling with the other parent’s full sibling's child.

My double-1C1R is a good person.