Hi Carolynne,
That's the way I have to look at it, too, until I can find some deeds or some other document with a John Deremich with wife Hanna. If it was John Deremiah Sr. who married Hannah, then Hannah must have died soon after their marriage for him to marry the widow Mary Ann Rude in 1791. What is your Deremiah line? Helen Graves
hgraves@psln.com