A little bit yea,
my Iwan tree is pretty Large, it started with My Grandpa (Micheal Iwan) and my grandma (Adeline Iwan) father and mother of My dad Mark Iwan, Tom Iwan, Larry Iwan and Lee Iwan. put about 2-5 cousins each. My dad was born in Ohio along with my uncles and aunt. I myself lived in Ca for a long while NY, and now in CO.... Does this help? I wish I had this one letter in NY that I had but it was from another Iwan sent from Germany on a similar search forgot her name