second co-cousin-in-law

The grandchild-in-law of one's grandparent-in-law's sibling.

My second co-cousin-in-law is a good person.

second-cousin-once-removed-in-law

1- Second-cousin-once-removed's spouse.
2- Spouse's second-cousin-once-removed.
3- 2C1R-in-law.

My second-cousin-once-removed-in-law is a good person.

second cousin-uncle

Parent's male second cousin.

My second cousin-uncle is a good person.

second-cousin-twice-removed

1- Grandparent's second-cousin.
2- Second-cousin's grandchild.

My second-cousin-twice-removed is a good person.

second-cousin-twice-removed

1- Great-great-grandparent's sibling's grandchild / Grandparent's second-cousin.
2- Grandparent's sibling's great-great-grandchild / Second-cousin's grandchild.

My second-cousin-twice-removed is a good person.

second-cousin-twice-removed

1- Grandparent's second-cousin.
2- Second-cousin's grandchild.

second-cousin-twice-removed.

second great-cousin-aunt

Grandparent's female second cousin.

My second great-cousin-aunt is a good person.