He is married to Ursula Sophia von Droste zu Füchten.
They got married
Child(ren):
https://de.wikipedia.org/wiki/Ernst_Friedrich_von_Ascheberg_zu_Venne
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Geschichte der Westphälischen Geschlechter
by Anton Fahne
Publication date 1858
p. 31
https://archive.org/details/bub_gb_Q4hMAAAAcAAJ/page/n27/mode/1up
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The data shown has no sources.