michael james duggar
No. You are confusing the Duggars with a different family that was featured on TLC.
The grandchild of your grandmother's first cousin is your third cousin. The grandchild of your grandmother's second cousin is your fourth cousin. The grandchild of your grandmother's third cousin is your fifth cousin.
Second cousins.
Your great uncle's grandchild is your second cousin.
The grandchildren would be the parents, aunts and uncles, and first cousins once removed, of the great grandchildren.
Jill
The grandchild of your great grandmother's sister is your second cousin, once removed.
second cousin
second cousin
Your great grandfather's sister is your great great aunt. Her grandchild is your parent's second cousin and your second cousin, once removed.
Michelle's maiden name is "Ruark"
Queen Elizabeth's second grandchild is Zara Phillips, born May 15, 1981. Her parents are Princess Anne and Mark Phillips.