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) van der MERWEDE [8124] (²) van COOTWIJK [6054] (²) van der MERWEDE [8129] (²) KLOOTWIJK [2] Dirk KLOOTWIJK [5312] (1949-2012) (²) KLOOTWIJK [3566]
Tree holderDirck van der MERWEDE [8102] (1540-1584)Cornelis Beerntsz [2500] (1490-1551)Dirck van der MERWEDE [8102] (1540-1584)Cornelis Beerntsz [2500] (1490-1551)Cornelis Beerntsz [2500] (1490-1551)Teunis van KLOOTWIJK [875] (1719-1773)
Paper trail distance
Markers Tested3737111676767376711137671237673767
DNA Difference116232626262728292943868998107
kitnr108599N522322877229027361303645881012726405464792122005297198na-0131382641993N1947890410
ysearchcodeKBG67NSRP9JQ43JVMPHSFAKUD
nameVan Der MerweHendrik van der MerweReidReedAlbert M. van der MerwedeVan Der MerweVan CootwijkGeorge van der MerwedeKees KlootwijkKlootwijkKlootwykA.M. KlootwijkVercoulenRiedeVan de MerbelReed
countryUnknown OriginNetherlandsIrelandIrelandNetherlandsNetherlandsNetherlandsNetherlandsNetherlandsNetherlandsNetherlandsNetherlandsNetherlandsGermanyNetherlandsUnknown Origin
haplogroupR-L21R-L21R-L513R-M222R-M269R-M269R-M269R-U106R-L48R-U106R-M269J-M67G-P15I-M253I-M253
DYS39313131313131313131313131312141313
DYS39024242325232323232323222324222223
DYS1914141414141414141414141414151414
DYS3911111111111101111111111111010108
DYS385a*11111111111111111111111113121313
DYS385b*15151414141414141414141416141413
DYS42612121212111212111212121111111111
DYS38812121212121212121212121215121414
DYS439*11111112121312131212121311121111
DYS389i13131213121313121313141213121212
DYS39213131314131313131313131311111111
DYS389ii29292829303029302929303029292828
DYS458*161618171819181818181916211515
DYS459a9999999991098988
DYS459b10101010101010101010109999
DYS4551111111111111111111111111188
DYS454111111111111111111111111111111
DYS447262625252525242524242428222322
DYS437151515151515151515151514161616
DYS448191919181919191919191920192022
DYS449*303031303030283028283230272930
DYS464a*151515151514151515171513121312
DYS464b*151515161515151516171514141314
DYS464c*171717161616161617181714141515
DYS464d*181817171817181818181914141516
DYS460111111111011111011111110111011
Y-GATA-H411111111121110129101110101010
YCAIIa191919191919191919191919191921
YCAIIb232323232322232323232321202121
DYS456*161615171616171617171716151414
DYS607151515161514151515151514131415
DYS576*191918181717141714141718171716
DYS570*161516171717171717171819171818
CDYa*373737383636373637373735373535
CDYb*373737403738413740373841393536
DYS442121212121212131213131111111212
DYS4381212121212121212121212810910
DYS531111111111111111111
DYS578999999988
DYF395S1a151516161615151515
DYF395S1b151616161616161615
DYS590888888888
DYS537101010111010121111
DYS641101010101010101010
DYS472888888888
DYF406S111101110111010119
DYS51110111010101011119
DYS425121212121212121412
DYS413a*232122232223232223
DYS413b*232322232223232225
DYS557*161616151616161416
DYS594101010101010101010
DYS436121212121212121212
DYS490121212121212121212
DYS534161614151416151615
DYS450888888888
DYS444111212121212121313
DYS481*222422222222222124
DYS520202021202120202220
DYS446*131313131313131613
DYS617131212121212121413
DYS568111111111111111111
DYS487131315131513131312
DYS572111111111111111011
DYS640111111111111111111
DYS492121213141313131112
DYS565121212121212121111
DYS7103634
DYS4851515
DYS63299
DYS4951616
DYS5401212
DYS7142526
DYS7162626
DYS7171919
DYS5051312
DYS5561111
DYS5491413
DYS5891212
DYS5221110
DYS49499
DYS5331212
DYS6361212
DYS5751010
DYS6381111
DYS4621111
DYS4523130
DYS4451212
Y-GATA-A101312
DYS4632424
DYS4411314
Y-GGAAT-1B071010
DYS5251010
DYS7122020
DYS5931515
DYS6501819
DYS5321313
DYS7152425
DYS5041616
DYS5131212
DYS5611315
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: .
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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