Gerald128's definitions
Great-great-granddaughter's husband.
My great-great-grandson-in-law is a good person.
by Gerald128 April 7, 2021
Get the great-great-grandson-in-lawmug. Spouse's first-cousin-twice-removed's spouse.
My co-1C2R-in-law is a good person.
by Gerald128 April 7, 2021
Get the co-1C2R-in-lawmug. My 2C-in-law is a good person.
by Gerald128 April 7, 2021
Get the 2C-in-lawmug. 
Get the co-grandniece-in-lawmug. Sester-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and five great-great-grandparents in common.
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and five great-great-grandparents in common.
My sester-third-cousin is a good person.
by Gerald128 May 15, 2021
Get the sester-third-cousinmug. 
Half-2C:
1- Parent's half-first-cousin's child.
2- Grandparent's half-sibling's grandchild.
3- Person who, in relation to the other person, has zero parents, zero grandparents and one great-grandparent in common.
1- Parent's half-first-cousin's child.
2- Grandparent's half-sibling's grandchild.
3- Person who, in relation to the other person, has zero parents, zero grandparents and one great-grandparent in common.
My half-second-cousin is a good person.
by Gerald128 May 15, 2021
Get the half-second-cousinmug.