+———Ernst J. RUBBERT | +———Franz Ernst “Frank” RUBBERT (Oct 1875 Germany – aft 1920) | | | +———Whilemina Henriette KELPIN | Ernst E. C. RUBBERT (7 Aug 1901 Amherst Twp, Cherokee, Iowa, USA – ) | +———Ana Mina “Minnie” MAYER (Sep 1877 Iowa, USA – bet 1911 and 1920 Iowa, USA)