By Matthias Duensing ( August 3, 2018, 9:28 AM EDT) -- When great wealth is at stake, families are time and again torn apart. In 2018, the Ontario Superior Court of Justice presided over a particularly vicious case involving three siblings, their elderly mother, a sophisticated game-playing spouse, and Mattamy Homes (Rubner v. Bistricer 2018 ONSC 1934)....