my grandson gets blue lips & nails when mad. He's gone throu Testing by his Dr.nothing wrong.His father was a Prater. I've found Fugates in his daddys mothers side. can someone give me info.on Sarah Matha Fugate,her father was Josiah.She married Archibald Prater.The other woman is Elizabeth Fugate she married William Prater. they lived in the later 1700's in Ky.Also has anyone found someone several generations from the blue Fugates that had the blue problem that my gson has.His grandma on Daddys side was a Thacker.Any help would be appreciated.