1. The son of one's grandparent's stepsibling.
2. The stepson of one's grandparent's sibling.
3. The son of one's stepgrandparent's sibling.
My first step-cousin-uncle is a good person.
Grandparent's male second cousin.
My second great-cousin-uncle is a good person.
Son of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-cousin-uncle is a good person.
Great-grandparent's male first cousin.
My great-great-cousin-uncle is a good person.
Son of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-first cousin-uncle 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 first cousin-uncle-in-law is a good person.
Parent's male half-first cousin.
My half-cousin-uncle is a good person.