# Ysabeau (Elizabeth) (d. October 23, 1272), married in Leuven March 19, 1233 Count Dietrich of Cleves, Lord of Dinslaken (c. 1214–1244), married 1246 Gerhard II, Count of Wassenberg (d. 1255)
The still open line between Baal and Dalheim was initially relatively well used by the population because of the so-called “round service” (Rundverkehr) on the Mönchengladbach–Rheydt–Rheindahlen–Wegberg–Dalheim–Wassenberg–Ratheim–Hückelhoven–Baal (West)–Erkelenz–Rheydt–Mönchengladbach route.
Otto was defeated and wounded in battle by Philip on July 27, 1206, near Wassenberg, and as a consequence also lost the support of the pope, who began to favour the apparent winner in the conflict.