Different Cornelia Van Kleeck.
This one was born, 29 Sep 1750, Cornelia Livingston, the daughter of
Dr. Henry Livingston, Sr. (27 Aug 1714-10 Feb 1799)
Susanna Storm Conklin, (09 Jul 1724-22 May 1793)
She married Myndert Van Kleeck on 15 Feb 1769, who is somewhat confusing as he’s sometimes referred to as Lawrence Van Kleeck (02 Feb 1745-14 Dec 1799), with her brother, Rev John Henry Livingston, officiating.
They’re shown as only having a single child, Henry (08 Mar 1793-05 Apr 1795), who died aged 2.
She died 14 Feb 1810 at the NYC home of the same brother, Rev John Henry Livington.
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But what you’re seeing in YOUR Cornelia Van Kleeck is the Dutch propensity for education of all.