They could be brothers and sisters or the could be cousins
The two great grandmothers are first cousins to each other and therefore share a grandparent. That common ancestor is the great-great-great-grandparent of both Jack and Jill. * First cousins share a grandparent. * Second cousins share a great-grandparent. * Third cousins share a great-great-grandparent. * Fourth cousins share a grea-great-great-grandparent. Jack and Jill are fourth cousins to each other
An ancestor is a parent, grandparent, great-grandparent, great-great-grandparent. To come from an ancestor you would be directly related to these people by birth.
Your great aunt is the sister of your grandparent Her son's son is her grandson. Her grandson and you share a great grandparent and thus are Second Cousins to each other.
Two people with the same great uncle may be first cousins or second cousins to each other, or may not be related to each other at all. It depends on whether the great uncle is the brother of a grandparent, or the husband of a sister of a grandparent.
A second cousin is a person who shares a great grandparent with you.
Since your great grandfather was brother to the other person's great grandfather, the two great grandfathers had at least one parent in common. That parent is your common ancestor, the great great grandparent of both of you. People who share a grandparent are first cousins. People who share a great grandparent are second cousins. People who share a great great grandparent are third cousins. You are third cousins.
If your great grandparent is another person's great great great grandparent, the other person could be related to you in one of several different ways. That person could be your:grandchildgreat niece or great nephewfirst cousin, twice removedsecond cousin, twice removed
Your great aunt is not your great grandparent but she could be a great grandparent if she has children , grandchildren and great grandchildren.
It will depend on whether or not you share a common ancestor. They could also be second cousins, if you all share a Great Grandparent. If you do not share a common ancestor, there is no relationship between you.
Yes, you are legally and genetically so different that this is legal.
Standard English has no relationship called "great cousin" or "great great cousin."Your second cousin once removed is either:the great grandchild of a sibling of your grandparent, orthe grandchild of a sibling of your great grandparent.
You and your second cousin share a common great grandparent. There is a difference of two generation between the grandchild and you. That would make you second cousins twice removed.