Spouse's steppibling's husband.
My step-co-uncle-in-law is a good person.
1. The husband of one's parent's sister.
2. The brother of one's parent-in-law.
My uncle-in-law is a good person.
1. The husband of one's grandparent's sibling's daughter.
2. The son of one's grandparent-in-law's sibling.
My cousin-uncle-in-law is a good person.