| Descendants of Gerrit IJFS and Neeltje Jans NIEROP
 
  Fourth Generation 
 
 13.  Garment DEKKER (Geertje IJFS9, Jacob Gerritsz5, Gerrit1) was born on June 3, 1828 in Broek op Langedijk, , Noord-Holland, Netherlands2,5 and died on December 13, 1884 in Koedijk, , Noord-Holland, Netherlands6 at age 56. 
 Events
 •  He worked as a Landbouwer.
 Garment married Aafje KRUK, daughter of Cornelis KRUK and Duifje Jans BIJPOST, on November 23, 1851 in Koedijk, , Noord-Holland, Netherlands.5 Aafje was born on October 22, 1827 in Zuid-Scharwoude, , Noord-Holland, Netherlands5,6 and died on January 14, 1910 in Koedijk, , Noord-Holland, Netherlands3 at age 82.
 Children from this marriage were:
   + 17        i. Geertje DEKKER was born in 1852 in Koedijk, , Noord-Holland, Netherlands.5 
   + 18       ii. Jan "Opa" DEKKER was born on August 13, 1861 in Koedijk, , Noord-Holland, Netherlands3,5 and died on March 3, 1945 in Laren, , Noord-Holland, Netherlands at age 83. 
 14.  Jacob DEKKER (Geertje IJFS9, Jacob Gerritsz5, Gerrit1) was born in 1839 in Broek op Langedijk, , Noord-Holland, Netherlands5 and died on March 8, 1911 in Koedijk, , Noord-Holland, Netherlands at age 72. 
 Jacob married Antje BOLDEWIJN, daughter of Klaas BOLDEWIJN and Maartje IJFS, on March 30, 1862 in Koedijk, , Noord-Holland, Netherlands.5 Antje was born in 1841 in Koedijk, , Noord-Holland, Netherlands5 and died on December 10, 1906 in Koedijk, , Noord-Holland, Netherlands1 at age 65.
 Children from this marriage were:
    19        i. Jan DEKKER was born in 1865 in Koedijk, , Noord-Holland, Netherlands.5 
 Jan married Antje DIEPSMEER, daughter of Jan DIEPSMEER and Aaltje BAKKER, on July 29, 1891 in Koedijk, , Noord-Holland, Netherlands.5 Antje was born in 1863 in Koedijk, , Noord-Holland, Netherlands.5
 Jan next married Antje BOS, daughter of Johannes BOS and Antje BLAAUBOER, on June 8, 1916 in Koedijk, , Noord-Holland, Netherlands.5 Antje was born in 1873 in Koedijk, , Noord-Holland, Netherlands.5
    20       ii. Klaas DEKKER was born in 1868 in Koedijk, , Noord-Holland, Netherlands.5 
 Klaas married Vrouwtje BLOM, daughter of Simon BLOM and Trijntje JONKER, on October 5, 1899 in Koedijk, , Noord-Holland, Netherlands.5 Vrouwtje was born in 1875 in Schoorl, , Noord-Holland, Netherlands.5
    21      iii. Maartje DEKKER was born in 1872 in Koedijk, , Noord-Holland, Netherlands.5 
 Maartje married Willem de GEUS, son of Pieter de GEUS and Trijntje BOLDEWIJN, on May 21, 1896 in Koedijk, , Noord-Holland, Netherlands.5 Willem was born in 1870 in Koedijk, , Noord-Holland, Netherlands.5
    22       iv. Geertje DEKKER was born in 1878 in Koedijk, , Noord-Holland, Netherlands.5 
 Geertje married Cornelis VRIES, son of Jan VRIES and Antje ZWETSMAN, on April 25, 1901 in Koedijk, , Noord-Holland, Netherlands.5 Cornelis was born in 1875 in Koedijk, , Noord-Holland, Netherlands.5
 16.  Jacob Jacobsz IJFS (Jacob Jacobsz11, Jacob Gerritsz5, Gerrit1) was born in 1840 in Koedijk, , Noord-Holland, Netherlands1 and died on March 2, 1931 at age 91. 
 Jacob married Jacoba Ariesd MOLENAAR, daughter of Arie MOLENAAR and Antje DIEPSMEER, on January 17, 1861 in Koedijk, , Noord-Holland, Netherlands.1 Jacoba was born in 1840 in Alkmaar, , Noord-Holland, Netherlands1 and died on February 24, 1890 at age 50.
 The child from this marriage was:
    23        i. Pieter IJFS was born on December 25, 1878 in Koedijk, , Noord-Holland, Netherlands and died on June 6, 1951 in Haarlem, , Noord-Holland, Netherlands at age 72. 
 Pieter married Margaretha BOOTS, daughter of Johannes BOOTS and Margaretha KOTTE, on November 19, 1904 in De Rijp, , Noord-Holland, Netherlands. Margaretha was born on December 13, 1876 in De Rijp, , Noord-Holland, Netherlands and died on February 10, 1951 in Haarlem, , Noord-Holland, Netherlands at age 74.
 
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