My Great Grandfather's brother, Ferdinand Hellwig, married Marie Pauline Jackel, daughter of Johan Jackel and Augustine (Engler) in 1887. They were married in the Evangelical Lutheran Church in LaCrosse, Wisconsin. I have a copy of the marriage register. I haven't tried tracing the Jackel's but I thought I would post this information in case it might fill in a gap in your search. Ferdinand was born in 1855, so he would have been 32 when he married Marie Pauline. Auguste Jackel was a witness at the wedding but I don't know what relationship Auguste was (brother / Uncle) to Marie Pauline or Johan. Bill