Petrus was a son of Pieter Van Aaken and Rusjen Dame, baptized 27 November 1720 in the Reformed Dutch Church of Kingston, Ulster County, New York. 
The names of Petrus, his father, and three brothers appear on the list of the members of the Foot Company of Militia of the Corporation of Kinston, under the command of Capt. Tjrck Van Keuren, in 1738. Listed are Corp'l Marynis Van Aken (Petrus' older brother), Peter Van Aken (Petrus' father), and Jan Van Aken, Petrus Van Aken, and Giedeon Van Aken.
He married Marytjen (Maria, Mary) Teerpenning (Terpening, Terpenning) on 2 May 1741 in Kingston, Ulster County, New York.
↑ KRDC Bapt. Record, :Hoes, page 133, #2829: 1720 Nov 27; Petrus Van Aaken, Rusjen Dame; Petrus; Flip Vielen, Annetjen Louw.
↑Second Annual Report of the State Historian. New York Colonial Muster Rolls, 1664-1775, Vol. I . Originally published in Albany, New York, 1897. Reprinted 1999, Genealogical Publishing Company, Baltimore Maryland. pages 601-602. Accessed at Ancestry.com.
↑ KRDC Page 583 - 1742 02 May; Petrus Van Aaken, jm, of Kingstown; Maria Teerpenning, jd, of New Paltz.
It may be possible to confirm family relationships with Peter 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 Peter: