Katharine married Friedrich Christian Horrer, son of Georg Friedrich Horrer and Johanne Karoline Heyd. (Friedrich Christian Horrer was born on 7 Jan 1897 in Waldenbuch, Stuttgart, Wuerttemberg, Germany, christened on 17 Jan 1897 in Waldenbuch, Stuttgart, Wuerttemberg, Germany and died on 7 May 1932.)
