New Jersey, Abstract of Wills, 1670-1817 (ncestry.com Operations, Inc.; Provo, UT, USA; 2011) New Jersey State Archives, New Jersey, Published Archives Series, First Series, Trenton, New Jersey: John L Murphy Publishing Company. Record for Christopher Beekman
Genealogical Research Library, comp. New York City, Marriages, 1600s-1800s (Ancestry.com Operations Inc; Provo, UT, USA; 2005) Record for Maria De Lanoy
It may be possible to confirm family relationships with Christopher by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Christopher: