It's not that hard. There are lots of records. In this case, it's blatantly obvious that Karla's maternal grandparents were non-Jewish Catholic Eastern Europeans. Someone out to call Doug Ford on this one because with no ambiguity, his claim of a Jewish wife/mother-in-law is not true.

Not Jewish! This is the marriage listing of Karla Middlebrook Ford's maternal grandparents. https://familysearch.org/pal:/MM9.1.1/278N-J4M John Arenowitz (Arenowicz), son of Georgi Arenowitz and Justina, marrying Eleonora Marko, daughter of Nekolaj (Nicholai) Marko and Slikeria Percz. Based...