Descendants of Arend Jansz GROEN and Sijtje VOLKERTS
Third Generation 
9. Claas Jansz GROEN (Jan Arendsz2, Arend Jansz1) was born in 1710 in Zandvoort, , Noord-Holland, Netherlands, was christened on June 1, 1710 in Zandvoort, , Noord-Holland, Netherlands,1,2 and died in Zandvoort, , Noord-Holland, Netherlands.
Claas married Annetje Flore KOPER, daughter of Floris Cornelisz KOPER and Barber Jans KONING, on May 8, 1735 in Zandvoort, , Noord-Holland, Netherlands.1.,2 Annetje was born on July 17, 1707 in Zandvoort, , Noord-Holland, Netherlands1,2 and died before 1749 in Zandvoort, , Noord-Holland, Netherlands.2
Children from this marriage were:
+ 14 i. Trintje Claasd GROEN was born on March 4, 1736 in Zandvoort, , Noord-Holland, Netherlands1,2 and died in July 1764 in Zandvoort, , Noord-Holland, Netherlands2 at age 28.
+ 15 ii. Jan Claasz GROEN was born on September 20, 1739 in Zandvoort, , Noord-Holland, Netherlands2 and died in September 1780 in Krommenie, , Noord-Holland, Netherlands2 at age 41.
+ 16 iii. Jannetje Claasdr GROEN was born on October 27, 1737 in Zandvoort, , Noord-Holland, Netherlands2 and died on January 22, 1816 in Zandvoort, , Noord-Holland, Netherlands2 at age 78.
Claas next married Aagje Willems de JONGH, daughter of Willem Cornelisz de JONGH and Dieuwertje Engels ZWAAN, on July 15, 1747 in Zandvoort, , Noord-Holland, Netherlands.1.,2 Aagje was born on March 8, 1716 in Egmond aan Zee, , Noord-Holland, Netherlands.1,2
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