http://www.genealogieonline.nl/en/genealogie-schutijser/I13882.php

Catharina is the daughter of Isaak Fortgens (1685 in Emmerich -1751 Amsterdam) http://www.genealogieonline.nl/en/genealogie-schutijser/I13885.php and Margaretha van Loenen (1686-1756). http://www.genealogieonline.nl/en/genealogie-schutijser/I13886.php

Catharina is the grand daughter of Abraham Fortgens & Catharina de Wilde http://www.gameo.org/encyclopedia/contents/fortgens_family/?searchterm=Abraham

Married to Abraham Fock (Snr.) in the ‘Nederlandsch Hervormde Kerk’ (Netherlands Reformed Church) in Amsterdam on October 18 1731 or November 13, 1731.

Catharina was born on October 20, 1710 and baptised on October 21, 1716. She died on May 8, 1783 and was burried in the ‘Westerkerk’ on May 13, 1783.

Catharina was also married with Gerrit Kuijken (1680-1749) and Jacob de Clercq on June 21, 1756

Jacob de Clercq (25-7-1710/21-6-1777) . His daughter Cornelia de Clercq married Abraham (1732-1796) on October 1759 (checking)