I'm not sure if you're still checking this, but my family has an Anvoots connection that I'm trying to dive into. My great-great grandfather was Henry Anvoots, born c.1863, came to the US c.1870. I have next to no information on him, but wondering if you have found any information that could connect him to your family? I don't know whether he had siblings or who his parents are. I did find a John Anvoots born c.1862 and immigrated about the same time. His mother was Henrietta, born c.1835. Maybe a brother?