In this week's Roundup, read about a woman who, inspired by a memoir of her grandfather found after his death, delved deeply into the world of her great-grandfather, a prominent portrait painter in Warsaw in the early-to-mid-20th century. Also this week: old documents which had lain in a bottle for more than 60 years tell about life, death, and love as seen through the eyes of a young girl called Hanna, a Who Do You Think You Are? retrospective, Melissa McCarthy, Irish Civil Registration records, and more . . .