1 Johann Cristoph HOYER =(Unknown) 2 Louise Mathilde HOYER =Johann Ludwig Baron KNOOP Marriage: 1843 3 Louise KNOOP 3 Johann Ludwig Baron KNOOP =Margarethe A. KERN Marriage: 22 Sep 1874, Mühlental, Duitsland 3 Theodor Julius KNOOP 3 Adele Mathilde KNOOP 3 Andreas Johann KNOOP 3 Emilie Anna KNOOP