Great-great-great-granddaughter's husband.
My great-great-great-grandson-in-law is a good person.
by JAMP12 September 21, 2021
Get the great-great-great-grandson-in-lawmug. A regular polyhedron with 12 pentagonal sides with 5 pentagons meeting at a vertex, circling twice around said vertex.
by 19521chaos July 21, 2025
Get the Great dodecahedronmug. by antonym51 January 19, 2022
Get the Greatmug. 
Get the great-cousin-niblingmug. My step-great-grandaunt is a good person.
by User655 July 25, 2021
Get the step-great-grandauntmug. 
Get the great-grandniblingmug. The husband of one's great-granddaughter.
My great-grandson-in-law is a good person.
by Rwopazaq November 24, 2019
Get the great-grandson-in-lawmug.