Diederik Kettler zu Neu-Assen - Aft 1591 (b. 1480) Parents Godhard I Kettler zu Neu-Assen Margareta von Bronckhorst-Batenburg Children Goswin II Kettler van Neu-Assen Siblings Gotthard Kettler zu Melrich Francis of Ketteler Goswin II Kettler zu Hövestadt