Cornelis van Baast, born circa 1790 (?), son of Jacobus van Baast and Cornelia van Haeren.

He was married in Oisterwijk on March 11, 1820, at the age of approximately 30 to
Elisabeth Wolfs (aged approximately 24 years), born circa 1796 (?), daughter of Willem Wolfs and Anna van de Sande.

• 1 : Jacobus van Baast, born in Helvoirt on November 3, 1823.
  He was married in Udenhout on April 30, 1856, at the age of 32 (1) to Maria Verschueren (aged 26 years), born in Udenhout on April 13, 1830, daughter of Peter Verschueren and Adriana van Biljouw.
  He was married in Vught on August 14, 1863, at the age of 39 (2) to Wilhelmina van den Braak (aged 23 years), born in Vught on March 22, 1840, daughter of Piet van den Braak and Johanna Maria van der Bruggen.
  

• 2 : Maria van Baast, born in Helvoirt on April 15, 1830.
  She was married in Helvoirt on April 27, 1855, at the age of 25 to Hendrikus van den Berk (aged 25 years), born in Haaren on August 14, 1829, son of Johannes van den Berk and Johanna Maria van Rooij.
  

• 3 : Wilhelmus van Baast alias Willem, born in Helvoirt on December 17, 1832.
  He was married in Vught on June 28, 1867, at the age of 34 to Wilhelmina van Liempt (aged 27 years), born in Vught on December 21, 1839, daughter of Zegerus van Liempt and Hendrina van Leent.