1- Great-great-grandparent's sibling's child / Great-grandparent's first-cousin.
2- Parent's sibling's great-great-grandchild / First-cousin's great-grandchild.
2- Parent's sibling's great-great-grandchild / First-cousin's great-grandchild.
My first-cousin-thrice-removed is a good person.
by ZJO8738 October 3, 2021
Get the first-cousin-thrice-removedmug. 
Get the cousin-piblingmug. Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and three great-great-great-grandparents in common.
Irregular-double-fourth-cousin.
by Cerejini May 21, 2024
Get the irregular-double-fourth-cousinmug. Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and nine great-great-grandparents in common.
Irregular-quintuple-third-cousin.
by Cerejini May 21, 2024
Get the irregular-quintuple-third-cousinmug. Child of a person's maternal aunt (mother’s sister) with that same person's paternal uncle (father’s brother) or child of a person's paternal aunt (father’s sister) with that same person's maternal uncle (mother’s brother).
My double-cousin is a good person.
by Mr. Jacov November 23, 2019
Get the double-cousinmug. The grandson-in-law of one's parent-in-law's sibling.
My co-cousin-nephew-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-cousin-nephew-in-lawmug. My half-great-cousin-nibling is a good person.
by Gtopql November 23, 2019
Get the half-great-cousin-niblingmug.