3C:
1- Parent's second-cousin's child.
2- Grandparent's first-cousin's grandchild.
3- Great-grandparent's full sibling's great-grandchild.
4- Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and two great-great-grandparents in common.
1- Parent's second-cousin's child.
2- Grandparent's first-cousin's grandchild.
3- Great-grandparent's full sibling's great-grandchild.
4- Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and two great-great-grandparents in common.
My third-cousin is a good person.
by Gerald128 May 15, 2021
Get the third-cousinmug. My co-third-cousin-in-law is a good person.
by User655 July 25, 2021
Get the co-third-cousin-in-lawmug. by Bhomus April 4, 2020
Get the Third Rimmug. 
Parent's male third cousin.
by Hgcloziw November 23, 2019
Get the third cousin-unclemug. chad the third - also known as anthony the third - aka anthony diaz- is a proven mexican nibber that killed himself on live stage!
by chris botchye November 6, 2021
Get the chad the thirdmug. 