Yes, Leopoldina's sister was Berta Helbok born 11 Feb 1885. Her son was Eunene Schneider who md Marianne. He wea s genealogist whom I visited on my last trip to Hoechst in 1992. If you have B,D,Mg for Eugene and Marianne I would appreciate that.
Yes, Kilian b 11 Jan 1909 was Leopoldina's 1st cousin. He died in Matten New York in 1990. I would like to get his wife Victoria and the daughters Victoria and Alice' B, D, Mg.