A year later, they were back in Johannesburg and in April 1984 Mrs. Pereira and Raquel, not yet 2 years old, came to pay me a visit. She then told me the story. Her husbands family came from Porto. That she knew, and indeed part of her family also derived from that area. There was a tradition among their families that they did not go to Church often, and her husband's grandmother used to light candles on a Friday night, for reasons nobody could fathom.
Pork is forbidden.
Blood is forbidden, so before you prepare meat you must first soak it overnight in water and then salt it to get all the traces of blood out. She did as he advised, and recovered. I left it at that.