After revisiting all the evidence, I still tend to believe that the most reasonable interpretation of this part of the tree is this: Chaim Glickman (aka Glaykh) and Khanne Roder (aka Roth, pssibly from Rothberg) are the parents of Sarah Elkan b1869, Raisa Goldwater b1862 and Yehoshua Heshel (Harris) Roder b1863. Reasons: 1) Sarah we know to have been of maiden name Glick (aka Glaykh in Yiddish), 2) Jenny (Goldwater) Sachs birth certificate gives her mother Raisa's maiden name as Glickman (see note on profile), 3) Harris matzeva gives his father's name as Chaim. The fly in the ointment is Harris' as well as Raisa's use of the surname Roder. This could be explained as an attempt to assimilate into the UK by selecting the maternal surname rather than the paternal one. The sibling structure (Sarah, Raisa, Harris) is supported by a 9 person atDNA study at gedmatch which is attached as a PDF media file. (NB: The same study shows how the Glaykh/Roder family is related to the Benyakonski family. I note here that there is branch of the Benyakonski family that adopted the surname Rutberg after coming to the USA). Perhaps there will be additional evidence someday to help corroborate this interpretation.