I visited Windlach and Stadel in 1987 and took several photos. They are not with me but I will dig them out when I visit my son in New York in April or May.
While there I tried to see the church records but they had been moved to Zurich and the library in Zurich was closed. Haven't been back since but hope to soon.
My brother in Maine has geneology records compiled by an uncle. I am expecting to have those soon and I intend to scan them in to share with any one who might be interested. Can't wait to get active in this endeavor. Believe I too am descended from Johann