I get that Henry was born in our world but he's just as part of the EF because he's the son of Savior and the grandson of the Dark One which makes him biologically connected to the EF.
Either way though I'm excited for what's to come.
Regina said that their memories wouldn't be real but that their future would be which means that everything that happened in the past year is real.
I so can't wait to see Emma get her memories back and along that line I can't wait for flashbacks to see what happened between NY and the time they left SB