Looking for a distant grandmother

by Taylor Mullen
(Haddon Heights, New Jersey)

I have a 9th great-grandmother named Anna Woerker. I suspect that the last name could have a different variation. She was married to Thomas Elias Van Court, who was from Guernsey, United Kingdom. The island is off the coast of Normandy, France. All I know is that she was born roughly around 1668, and lived in Lorraine, France. If anyone could help me with my research, I'd appreciate it!