My first great-great-cousin-nephew is a good boy.
by Hgcloziw November 23, 2019
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sesqui-cousin-uncle

Son of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-cousin-uncle is a good person.
by Hgcloziw November 23, 2019
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My first-cousin-once-removed-in-law is a good person.
by User655 July 26, 2021
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first cousin-aunt-in-law

1. The wife of one's grandparent's sibling's son.
2. The daughter of one's grandparent-in-law's sibling.
My first cousin-aunt-in-law is a good person.
by Elivaldeq November 24, 2019
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