Engelbert III of the Mark Count of the Mark (1333–1391) Parents Margaret of Cleves, Countess of the Marck Adolph II of the Marck Children Margareta von der Mark Siblings Theoderic I of the Mark Adolf III of the Marck Eberhard von der Mark Mechtild von der Mark Margareta von der Mark Partners Richardis of Jülich Elisabeth of Sponheim
