The Genappe post-office opened before 1830. The village, along with Narborough, shares its twinning with the village of Genappe in Belgium. When they were out of sight, he crossed the bridge at the entrance of Genappe. The French harried Wellington's army, and there was a cavalry action at Genappe. Genappe had a total population of 14,136. Genappe is a Walloon municipality located in the Belgian province of Walloon Brabant.