So then, lets make a family tree using Henry's bloodline
HENRY
Parents:
Emma Swan (biological)
Neal/Baelfire (biological)
Regina Mills (adoptive)
Grandparents:
Snow White (via Emma)
David/Prince Charming (via Emma)
Rumplestiltzkin (via Neal)
Milah (via Neal)
Cora (via Regina)
Henry (via Regina)
Great Grandparents:
Peter Pan (via Rumplestiltzkin)
King Leopold (via Snow)
Queen Eva (via Snow)
Aunt:
Wicked Witch (via Regina)
I may be missing some. Haha