Since the ECUSA doesn't want to allow conservative priests/parishes to answer to G-d fearing bishops in Africa or Asia, this kind of thing is going to happen more often.
My ex-wife's father came from Bangladeshi muslims and her mom came from Pathan muslims ... and she somehow ended up Episcopalean.
And come to think of it, over two million English Catholics woke up one morning in the 1500s and found out that they had become Episcopaleans. Seems to come with the territory.