Descendants of Jacob Klaasz KOENDERTS & Maartje JACOBS
 12th Generation 
276. Maria Catharina "Ria" de BOER (Ytje Alberts "Ida" JANSMA239, Maria Catharina van der PLAS201, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Ria married Abraham "Bram" RIJBROEK, son of Abraham Lucas Anthonius Lucas RIJBROEK and Louise Johanna BOUWMAN.
Children from this marriage were:
315 i. Anna-Marike RIJBROEK
Anna-Marike married Peter van ARKEL.
316 ii. Marlies Ideke RIJBROEK
Marlies married Herman Johannes van den BOLD.
277. (__?__) van der HAM (Neeltje JANSMA240, Maria Catharina van der PLAS201, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1).
(__?__) married Herman SAVELKOEL, son of Herman SAVELKOEL and Anna (__?__). Herman was born on April 5, 1938 in Deventer, , Overijssel, Netherlands and died on June 27, 2018 in Drachten, , Friesland, Netherlands at age 80.
The child from this marriage was:
317 i. Monique SAVELKOEL ... DNA
278. Cornelis Jan "Case" VANDERPLAS (Jan Cornelis "John" van der PLAS241, Cornelis Jan "Cor" van der PLAS202, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Case married Katherine Louise WATSON, daughter of John Marshall "Jack" WATSON and Florence Mae METCALFE.
Children from this marriage were:
318 i. Kristine Mae VANDERPLAS
Kristine married Kelly David KENNEDY, son of Richard Earl "Dick" KENNEDY and Judith Ann ZIMMER.
319 ii. Robert John Cornelis VANDERPLAS
281. Cornelis Ferdinand "Bob" VOLKERS (Marie Nelli Johanna "Miep" van der PLAS242, Cornelis Jan "Cor" van der PLAS202, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Bob married Lammechien Jantina Catharina "Inez" VORENKAMP.
The child from this marriage was:
+ 320 i. Nicole Aimee VOLKERS
282. Jeanette van DIEPEN (Marie Nelli Johanna "Miep" van der PLAS242, Cornelis Jan "Cor" van der PLAS202, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Jeanette had a child.
Her child was:
321 i. Martijn van DIEPEN
Jeanette next married Frank P. WALRAVEN, son of Pieter WALRAVEN. Frank was born in 1968 in , , , Netherlands and died on September 22, 2021 at age 53.
283. Catharina Eliz. "Kitty" NIEMANN (Jan Willem NIEMANN244, Catharina C. van der PLAS203, Neeltje ZWAKMAN132, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Kitty married Conrad Lionel CHAMBERS, son of Roy Edwin Medcalf CHAMBERS and Elsa L'AMBRICHE.
Children from this marriage were:
322 i. Luke William NIEMANN
+ 323 ii. John Theophilus NIEMANN
286. Henry Herbert MAAG (Shirley Ann ZWAKMAN248, Martin John ZWAKMAN205, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Henry married Peggy Ann JONES.
The child from this marriage was:
324 i. Audry Grace MAAG
287. Pamala D. MAAG (Shirley Ann ZWAKMAN248, Martin John ZWAKMAN205, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Pamala married Christopher D. DABBOTT.
Children from this marriage were:
325 i. Madison DABBOTT
326 ii. Zachary DABBOTT
290. Conrad H. MAAG (Shirley Ann ZWAKMAN248, Martin John ZWAKMAN205, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Conrad married Karen L. FRITZ.
Children from this marriage were:
327 i. Holly Cathryn MAAG
328 ii. Keegan John MAAG
329 iii. Breden Colin MAAG
291. Philip Robert MAAG (Shirley Ann ZWAKMAN248, Martin John ZWAKMAN205, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Philip married Elyse NELLWYN.
The child from this marriage was:
330 i. Christopher MAAG
Philip next married Yoder (__?__).
Children from this marriage were:
331 i. Philip Robert MAAG
332 ii. Candace Rae MAAG
296. Amy Jo ZWAKMAN (John Martin ZWAKMAN249, Martin John ZWAKMAN205, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Amy had a relationship with Michael NITZ.
The child from this marriage was:
333 i. Jessica TJERNAGEL
Amy next married Jeffrey TJERNAGEL, son of James TJERNAGEL and Joan ENTER.
The child from this marriage was:
334 i. Matthew John TJERNAGEL
297. Phyllis Lea JOHNSON ... DNA (Gerald Fredrick JOHNSON250, Johanna Klezina ZWAKMAN207, Gerrit ZWAKMAN133, Trijntje Klaasd DEKKER85, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Phyllis married Joseph Zeno BURGEE, son of Joseph BURGEE and Marlene SYLVESTER.
Children from this marriage were:
335 i. Shannon Elise BURGEE
336 ii. Colin Edward BURGEE
298. Isabella Alberta WIJKER (Huibert WIJKER253, Aagie de GROOT214, Aaltje van PEL137, Antje DEKKER86, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Isabella married Jan Harm BAARD, son of Hilbert BAARD and Anna ADEMA. Jan was born on February 5, 1936 in Haarlem, , Noord-Holland, Netherlands,16 died on November 12, 1979 in Egmond aan Zee, , Noord-Holland, Netherlands16 at age 43, and was buried in Egmond aan Zee, , Noord-Holland, Netherlands.
Children from this marriage were:
337 i. Hilbert BAARD
338 ii. Marco Huibert BAARD
339 iii. Erna Marianne BAARD
340 iv. Annameike BAARD
301. Anna Jacoba HAASNOOT (Aaltje WIJKER254, Aagie de GROOT214, Aaltje van PEL137, Antje DEKKER86, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1) was born on March 15, 1937 in Velsen, , Noord-Holland, Netherlands16 and died on November 14, 1999 in IJmuiden, , Noord-Holland, Netherlands16 at age 62.
Anna married Cornelis Jacob GROEN on January 29, 1959 in Velsen, , Noord-Holland, Netherlands.14 Cornelis was born on July 15, 1932 in Velsen, , Noord-Holland, Netherlands14 and died on February 23, 1962 in Leiden, , Zuid-Holland, Netherlands14 at age 29. They had no children.
Anna next married Pavao LEPES.
Children from this marriage were:
341 i. Ivo Berg LEPES
342 ii. Alinda Marielle LEPES
304. Albert WIJKER (Klaas WIJKER259, Aagie de GROOT214, Aaltje van PEL137, Antje DEKKER86, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Albert married Ina (__?__).
Children from this marriage were:
343 i. Jarno WIJKER
344 ii. Ingrid WIJKER
305. Arie WIJKER (Klaas WIJKER259, Aagie de GROOT214, Aaltje van PEL137, Antje DEKKER86, Neeltje de GROOT54, Cornelis Jacobsz de GROOT39, Aaltje Cornelis HALFF29, Cornelis Dirksz20, Dirk Leendertsz8, Leendert Jacobsz4, Jacob Klaasz1)
Arie married Anja (__?__).
Children from this marriage were:
345 i. Reuben WIJKER
346 ii. Sem WIJKER
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