Sharon Bialek and Mark Harwood in Venice, Italy in 2010 shortly after becoming engaged. (Photo courtesy of Mark Harwood)
Bialek and Harwood, who is from London, have lived together for four years and have shared an upscale home in Mundelein for the past two, he said. She is a stay-at-home mother to a 13-year-old son and he works in the medical equipment industry.