The project: an introduction

Are all Klootwyks desendants from the old branch "van der Merwede"?
Are all Klootwyks relatives?
Is there a connection between branch 2500 and branch 2939?
Conventional genealogical research may not supply all the answers, a lot of old documents are lost.

Bu there is another way! Some information can be found in the human Y-DNA.

Joined with the "van der Merwede" foundation we started the DNA-project to possibly get some answers.

What is Y-DNA research

DNA is an unique collection of genetic material. DNA is used in forensic research. (as in the TV-series CSI) Human DNA can be found in every cell of the body and is unique.
Each child get a random collection of DNA which is 50% from its father and 50% of its mother.

But there is one piece of DNS, the Y-chromosoma, which is a bit special. The Y-chromisoma is only found in the cells of male persons. This chromosoma is passed from father to son with mostly no alterations. So all male descendants of 1 branch have allmost the same Y-chromosoma.

With the project a genetic "fingerprint" will be made of all male participants. If two fingerprints are the same, the persons are relatives.

How to join?

If you are a male Klootwyk and you want to join, this is the procedure:
  • Enlist FamilyTreeDNA with the special link
  • Select a Y-DNA test, a 37 markers-test or more is preferred.
  • Enter paymentdata (creditcard).
  • After a few day you recieve your test-kit.
  • Collect your DNA material.
  • Return the test-kit.
  • Wait for the results.
The results will be collected by groupleader, George van der Merwede. You also recieve all results and and certificate.

What are the costs?

Unfortunately DNA research costs money. But the participants of the "van der Merwede group" get reduced price!. Depending on the test and the special discounts the prices vary. A good test (the 37-marker-test) costs at this moment (may 2013) $149.00 (reduced price valid with link above).

F.A.Q.

Is the test painfull?
No, you collect the DNA by yourself with a brushing the inside of your cheak.

Who is in charge of your DNA?
Your fully in charge of the material. The DNA will be stored by FTDNA but will be destroyed on request.

What do the know of me by researching the DNA?
Only DNA-parts that are redundant and have no function will be tested. So nobody gets information of the color of your eyes etc. The only information that can be concluded id that you are male. Otherwise you have no Y-chromosoma.

Who gets the money?
All the money is needed by the research facility FTDNA. The "van der Merwede" foundation and the Klootwijk-researchers do it all for free.

And if I have any questions?
Ask all your questions to George van der Merwede of the Merwede Foundation or to me.

Links m.b.t. het project

Family Tree DNA - Het buro wat het daadwerkelijk DNA onderzoek doet.
Direct meedoen - Doe mee aan het project

Resultaten tot nu toe

  • Het ziet er naar uit dan mijn DNA en dat van één van de Merwedes redelijk overeenkomt. Op het eerste gezicht lijken we een gezamelijke stamvader te hebben ongeveer 875 jaar geleden (rond het jaar 1125).
  • Er is tot nu toe slechts één deelnemer met de achternaam Klootwijk, dus nog geen conclusies over de relatie van de Klootwijk takken.
  • We zoeken Klootwijken die willen deelnemen.

De Klootwijk resultaten

Hieronder eerst het verschil in genetische generaties volgens de papieren stamboom. Een genetische generatie is het aantal malen dat er een genetische mutatie heeft kunnen plaatsvinden. Dus een vader en zoon hebben verschil 1, twee broers 2; twee kleinzonen van opa via verschilende zonen: 4. En het verschil is 16 als er 8 generaties terug een gemeenschappelijke voorvader is.



DNA Results

Please move your mouse over the image for some more information.
Tested person(²) KLOOTWIJK [2] (²) van COOTWIJK [6054] Dirk KLOOTWIJK [5312] (1949-2012) (²) KLOOTWIJK [3566] (²) van der MERWEDE [8129] (²) van der MERWEDE [8124]
Tree holderCornelis Beerntsz [2500] (1490-1551)Cornelis Beerntsz [2500] (1490-1551)Cornelis Beerntsz [2500] (1490-1551)Teunis van KLOOTWIJK [875] (1719-1773)Dirck van der MERWEDE [8102] (1540-1584)Dirck van der MERWEDE [8102] (1540-1584)
Paper trail distance1717> 20> 26> 25
Markers Tested1113737676767111373712676767673737
DNA Difference510232325272829303131727897102
kitnr6479210127212200529719829027364588228772108599N5223na-0164054613034199390410N19478313826
ysearchcodeVMPHSKBG67FAKUDJQ43JNSRP9
nameKees KlootwijkVan CootwijkKlootwijkKlootwykReedVan Der MerweReidVan Der MerweHendrik van der MerweA.M. KlootwijkGeorge van der MerwedeAlbert M. van der MerwedeRiedeReedVan de MerbelVercoulen
countryNetherlandsNetherlandsNetherlandsNetherlandsIrelandNetherlandsIrelandUnknown OriginNetherlandsNetherlandsNetherlandsNetherlandsGermanyUnknown OriginNetherlandsNetherlands
haplogroupR-L48R-M269R-U106R-M269R-M222R-M269R-L513R-L21R-L21R-U106R-M269G-P15I-M253I-M253J-M67
DYS39313131313131313131313131314131312
DYS39023232322252323242423232322232224
DYS1914141414141414141414141415141414
DYS3911111111111101111111111111081010
DYS385a*11111111111111111111111112131313
DYS385b*14141414141414151514141414131416
DYS42612121212121212121211111111111111
DYS38812121212121212121212121212141415
DYS439*12121212121311111113131212111111
DYS389i13131314131312131312121212121213
DYS39213131313141313131313131311111111
DYS389ii29292930293028292930303029282829
DYS458*181818191719181616181821151516
DYS459a9910999999999888
DYS459b10101010101010101010109999
DYS4551111111111111111111111118811
DYS454111111111111111111111111111111
DYS447242424242525252626252522222328
DYS437151515151515151515151516161614
DYS448191919191819191919191919222020
DYS449*282828323030313030303027302930
DYS464a*151517151514151515151512121313
DYS464b*161517151615151515151514141314
DYS464c*171618171616171717161614151514
DYS464d*181818191717171818181814161514
DYS460111111111111111111101011111010
Y-GATA-H491010111111111111121210101010
YCAIIa191919191919191919191919211919
YCAIIb232323232322232323232320212121
DYS456*171717171716151616161615141416
DYS607151515151614151515151513151414
DYS576*141414171817181919171717161718
DYS570*171717181717161615171717181819
CDYa*373737373836373737363637353535
CDYb*404137384038373737373739363541
DYS442131313111212121212121211121211
DYS4381212121212121212121212101098
DYS531111111111111111111
DYS578999999988
DYF395S1a151515161516161515
DYF395S1b161616161516161615
DYS590888888888
DYS537101210111010101111
DYS641101010101010101010
DYS472888888888
DYF406S110101010111111119
DYS51110111110101010119
DYS425121212121212121412
DYS413a*232321232322222223
DYS413b*232323232322222225
DYS557*161616151616161416
DYS594101010101010101010
DYS436121212121212121212
DYS490121212121212121212
DYS534161516151614141615
DYS450888888888
DYS444121212121112121313
DYS481*222224222222222124
DYS520202020202021212220
DYS446*131313131313131613
DYS617121212121312121413
DYS568111111111111111111
DYS487131313131315151312
DYS572111111111111111011
DYS640111111111111111111
DYS492131312141213131112
DYS565121212121212121111
DYS7103436
DYS4851515
DYS63299
DYS4951616
DYS5401212
DYS7142625
DYS7162626
DYS7171919
DYS5051213
DYS5561111
DYS5491314
DYS5891212
DYS5221011
DYS49499
DYS5331212
DYS6361212
DYS5751010
DYS6381111
DYS4621111
DYS4523031
DYS4451212
Y-GATA-A101213
DYS4632424
DYS4411413
Y-GGAAT-1B071010
DYS5251010
DYS7122020
DYS5931515
DYS6501918
DYS5321313
DYS7152524
DYS5041616
DYS5131212
DYS5611513
DYS5522424
DYS7261212
DYS6352323
DYS5871818
DYS6431010
DYS4971414
DYS5101717
DYS43499
DYS4611212
DYS4351111


Legend
Tested Person Information from the familytree if tested person is known in the tree.
Markers Tested Information from FTDNA, the DNA-testing authority.
DYS393DNA Markers 1-12 (Y-DNA12-test or higher)
DYS455DNA Markers 13-37 (Y-DNA37-test or higher)
DYS531DNA Markers 38-67 (Y-DNA67-test or higher)
DYS710DNA Markers 68-111 (Y-DNA111-test)
DYS385a*Fast mutating Marker. This marker will change more in a few generations. One change in 5 generations is normal for this one.
12Same value on this DNA-marker compared to the first person: (²) KLOOTWIJK [2] .
18Different value on this DNA-marker compared to the first person.
NameSame parental line as the first person is very unlikely.


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