Thanks for replying! I hope the following isn't confusing.
Martin Fredrick DUFT & his sister Eva-Cathrine DUFT came to America (Baltimore, MD) together on 3 Oct 1851, on The Ship Marianne. We have not been able to discover if they were traveling alone or with another relative or friend. Martin would have been around 13 to 15 years of age, & his sister Eva would have been about 18 years old.
Martin Fredrick DUFT---b.28 Sept 1836/38, Brunswick, Germany; d.18 Sept 1908, Great Bend, Barton Co., KS (at the home of his daughter); bur. 21 Sept 1908, Neodesha, Wilson Co., KS Cemetery. Martin m. 4 May 1860, Carroll Co., MD to Susannah Rebecca BLACK.
Martin's sister Eva Cathrine DUFT (b.16 Nov 1833, possibly in Hanover, Germany; d. 3 Feb 1877, Frederick Co., MD; bur. Frederick, Frederick Co., MD--Mt. Olivet Cemetery). Eva-Cathrine m. 5/6 Mar 1859, Frederick Co., MD to Henry William RUPRECHT, JR. They resided in Carroll & Frederick Cos., MD.
By 1870 Census Martin & his family had moved on to Iowa & Illinois; sister Eva & her family stayed in MD.
Found Martin & Susannah Rebecca (BLACK) DUFT in following censuses:
1860--Frederick City, Frederick Co., MD
1870--Taylor twp., Ogle Co., IL
1880--Ross twp., Taylor Co., IA
1900--Shiloh twp., Neosho Co., KS
1905--Neodesha, Wilson Co., KS
Martin's surname, in connection with him, has been found to be spelled as such: DUFT, DUFF & DOUGH.
Donna......in the Land of OZ, USA