The Hazard family's love for France is easy to explaine. While Eden and Kylian were trained at Lille OSC, Thorgan was playing for Lens. In addition, there is also the age. "We grew up with '98", Hazard told BeIn Sports. In 1998, France played world champion in its own country, defeating Brazil 3-0. "There was no Belgian tshirt back in the days, but plenty French fanshirts. The Belgian Red Devil mania came in the late 2000's.
I do not want to downplay the Belgian team of that time, there were very good players. But at that time France was the top team. "The photo below proves the love of the Hazards for France, and more specifically for Zinédine Zidane.