Hi. Mikołaj Harach was the son of Magdalena Mazurek. Magdalena Mazurek was the daughter of Teodozja Malicka. Teodozja Malicka was the sister of my great-grandfather Tomasz Malicki.
Interesting, a Magdalena Mazurek (1859-1894) was the spouse of Teodor (Theodore) Harach (1850-1933) in Sokal Ukraine, whose many children later went to Canada. Were you saying this is the same Magdalena?
A Mikolaj Harach does not appear in the family trees on the internet, or our family records for Canada, but admittedly said records are not complete and written down only in the 1980s.