Waleran's first wife, Cunigunda, a daughter of Frederick I, Duke of Lorraine, died in 1214 and in May he married Ermesinda of Luxembourg, and became count  there. Ermesinda claimed Namur and so Waleran added a crown to his coat of arms to symbolise this claim.
Waleran's first spouse, Cunigunda, offspring of Frederick I, Duke of Lorraine, expired in 1214 and he subsequently married Ermesinda of Luxembourg, ascending to the position of count there. Ermesinda asserted her right to Namur, prompting Waleran to incorporate a crown into his coat of arms.