Gerald128's definitions
Sester-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and five great-grandparents in common.
Person who, in relation to the other person, has zero parents, zero grandparents and five great-grandparents in common.
My sester-second-cousin is a good person.
by Gerald128 May 15, 2021
Get the sester-second-cousinmug. 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. 
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 great-granduncle-in-law is a good person.
by Gerald128 April 7, 2021
Get the great-granduncle-in-lawmug. Sibling's great-grandchild.
I have 128 great-grandniblings (64 great-grandnieces and 64 great-grandnephews).
by Gerald128 April 6, 2021
Get the great-grandniblingmug. 