So many jokes about the Holocaust but how would you feel if your grandparent died in Auschwitz? My grandad did, he fell off the guard tower.
What do you call a great great grandparent who had a child with a blood relative?
A incestor.
*Sorry grammar, not my mother thongue*
Erwin Schrodinger came from abroad to attend my grandparent's wedding in North America. He was a nonlocal observer.