With brands like Tiffany, Dom Pérignon and Louis Vuitton, LVMH turned him into one of the world’s richest men. But with five children, he has a hard decision to make.

With brands like Tiffany, Dom Pérignon and Louis Vuitton, LVMH turned him into one of the world’s richest men. But with five children, he has a hard decision to make.