Under a four point chief embattled sable, Or, a standing key gules accompanied from two six rays stars sable and in the wavy terrace base azure a salmon Argent. The arms are created from Josef Landers. The merlon symbolises "Haus Rönne" abandoned in 1652, because of the diversion of the Rhine river. The key and the stars symbolise St. Peter, patron Saint of the village, both shown on an old seal from 1350. The salmon and the wavy blue terrace represent the fishing in the river.
Wappen von Obermörmter
Josef Landers - constructed and added by Jürgen Krause