He is married to Ida van Ittersum Vrouwe van Nijenhuis.
They got married on June 17, 1666 at Rijssen, Ov., he was 31 years old.
Child(ren):
Lid GS van OV, lid generaliteitsrekenkamer, heer van Beverfuerde, in de ridderschap van OV, gedeputeerde
http://gw5.geneanet.org/index.php3?b=tondhwr2⟨=nl;p=ernst+van;n=ittersum+tot+den+oosterhof;oc=1
1655: student Duisburg
1659-1661: student Parijs
lid GS van OV
lid generaliteitsrekenkamer
heer van Beverfuerde
1661: in de ridderschap van OV
1666: gedeputeerde
http://www.familysearch.org/eng/search/prf/individual_record.asp?recid=1030911799
19 in 1655
http://www.familysearch.org/eng/search/AF/individual_record.asp?recid=6427493&lds=0&frompage=99
The data shown has no sources.