Hi Eva, Margaret Magdalene Catherine Truckenmueller (Lena) was born in Germany on 2 May 1872 and died in Wakefield in 1953. She was definitely the sister of Marie Sturm, ((1871-1951). They are identified as such in the 1911 census living at 54 Wakefield Road, Normanton. Lena was married to William Whitehead, a clerk in 1909, but he died. Her second husband was Joseph Whiteley Batty (1881-1977), a pork butcher and later a joiner from Warmfield, Wakefield. Joe was my wife's great uncle. Joe and Lena had a son, Walter (1916-1989) an Oxford graduate and teacher. Lena and Marie's father was George, a boot maker from Germany.
We assume Lena and Marie came to England in the 1890s, but not sure why or with whom. We have tried unsuccessfully to linked Lena and Marie with Christian, Charles and Babette, so if anyone can help that would be good. There are a lot of Truckenmuellers in Baden Wurtemburg, and clearly a number came to England, mainly in the pork butcher business. Perhaps it was easier to set up business in England. there were certainly a number of German pork butchers in Wakefield, eg Hofmann and Ziegler. Hope this helps.