1723 Sep 29 Catharina, Aeltje 2 linger, Johannes Beekman Jnr., Elizabeth Provoost. Wit.: David Provoost Jonat: z, Margrietje Kerfbijl; Willhelmus Beekman, Marijtje Schermerhoorn. 
Some Records of the Beekman Family by James R. Gibson, JR
Distinguished Families in America by William B. Aitken, A.M., PhD, page 165
Genealogical and Family History of New York, William S. Pelletreau, A.M.
↑ Thomas Grier Evans. "Baptisms from 1639 to 1730 in the Reformed Dutch Church, New York." In Collections of the New-York Genealogical and Biographical Society. Vol. II. New York: Printed for the Society, 1890.
It may be possible to confirm family relationships with Catherine by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Catherine: