Jacob Calkoen.

He was married to
Theresia Adelaida Roussel.

• 1 : Librecht, christened in Cochin on August 4, 1757.
  

• 2 : August, born in Cochin on August 4, 1757, christened there on August 10, 1757.
  

• 3 : Johanna, born in Cochin on January 27, 1759, christened there on February 4, 1759.
  

• 4 : Justina, christened in Cochin on June 29, 1760.
  

• 5 : Jakob, christened in Cochin on October 8, 1761.
  

• 6 : Cornelis, christened in Cochin on May 1, 1763.
  

• 7 : Hester, christened in Cochin on November 2, 1764, died there on November 2, 1764.