Family Tree DNA: Genetic Testing Service
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There are many Dutch people who have used this service to learn how they're related to other families and ethnic groups, both near and far. The "Netherlands Dual DNA Project" run by Family Tree DNA cordially invites the participation of Dutch people who have had their mtDNA and/or Y-DNA tested by the company.
The Dutch people live in the northwestern European country called the Netherlands. Traditionally Protestant by religion, they differ from the traditionally Catholic Dutch-speaking Flemings of the Flanders region of Belgium, a neighboring country. From 1815 until 1830, however, both countries were part of a United Kingdom of the Netherlands, and until 1581 the lands were also united.
The Dutch language, with many similarities to English, is part of a linguistic continuum that stretches into northern Germany, as varieties of Low German are distinct from the High German dialects/languages of southern Germany, Austria, Switzerland, Liechtenstein, and Luxembourg.
The Dutch people are distinct from the Frisian people who also inhabit the Netherlands. (Many centuries ago, the Frisians had their own independent country.)
In the Netherlands Dual DNA Project, people with their country of origin specified as the Netherlands have such Y-DNA haplogroups as E1b1b1, F, G, G2a3a1, G2a3b1a, G2a4, I, I1, I2a3, I2b1, J2b2, J2, R1a1a, R1b1a2, R1a1, R1b1a2, R1b1a2a1a1, R1b1a2a1a1a, R1b1a2a1a1b3c, and T1, among others. Identifiably Dutch people in the project have mtDNA haplogroups including H and its subhaplogroups like H3 and H5a, I, I4, J, K, T, U4, U4a2, U4c1, and V.
Overall, studies show that the Dutch people of the Netherlands possess
Y-DNA haplogroups in approximately the following frequencies:
E1b1b: 4.5% (ultimately stems from the Middle East)
I1: 18.5% (their second-most prevalent Y haplogroup)
Q: 0.5% (common in Siberia and Central Asia)
R1b: 53.5% (by far their most prevalent Y haplogroup, and very common throughout Western Europe)
Distributions of mtDNA of the Dutch people of the Netherlands are
approximately as follows:
H: 45% of which 13% are in H1+H3
HV0 + V: 8%
U: 16% of which 1.5% are in U2, 0% in U3, 6.5% in U4, and 7.5% in U5
other haplogroup(s): 0.5%
Maarten H. D. Larmuseau, N. Vanderheyden, M. Jacobs, M. Coomans, L. Larno, and R. Decorte. "Micro-geographic distribution of Y-chromosomal variation in the central-western European region Brabant." Forensic Science International: Genetics 5:2 (March 2011): pages 95-99. First published online on October 29-30, 2010. The researchers concentrated on the Brabant region that today encompasses three Belgian provinces and a Dutch province called Noord-Brabant (North Brabant). 477 males with deep paternal ancestry in this region were tested for their Y-DNA. Excerpts from the Abstract:
"[...] In total, eight Y-haplogroups and 32 different subhaplogroups were observed, whereby 70% of all participants belonged to only four subhaplogroups: R1b1b2a1 (R-U106), R1b1b2a2* (R-P312*), R1b1b2a2g (R-U152) and I1* (I-M253*). Significant micro-geographical differentiation within Brabant was detected between the Dutch (Noord-Brabant) vs. the Flemish regions based on the differences in (sub)haplogroup frequencies but not based on Y-STR variation within the main subhaplogroups. A clear gradient was found with higher frequencies of R1b1b2 (R-M269) chromosomes in the northern vs. southern regions, mainly related to a trend in the frequency of R1b1b2a1 (R-U106)."
Brian P. McEvoy, Grant W. Montgomery, Allan F. McRae, Samuli Ripatti, Markus Perola, Tim D. Spector, Lynn Cherkas, Kourosh R. Ahmadi, Dorret Boomsma, Gonneke Willemsen, Jouke Jan Hottenga, Nancy L. Peterson, Patrik K. E. Magnusson, Kirsten Ohm Kyvik, Kaare Christensen, Jaako Kaprio, Kauko Heikkila, Aarno Palotie, Elisabeth Widen, Juha Muilu, Anne-Christine Syvanen, Ulrika Liljedahl, Orla Hardiman, Simon Cronin, Leena Peltonen, Nicholas G. Martin, and Peter M. Visscher. "Geographical structure and differential natural selection amongst North European populations." Genome Research 19 (2009): pages 804-814. First published online on March 5, 2009. The entire genome SNP polymorphism was studied in 2099 people with origins in multiple Northern European countries, which was whittled down to 2051 people after further analysis of some of their backgrounds and genetic admixture. The Netherlands was one of those countries and a total of 284 Netherlands people participated. The paper notes that the genetics of the United Kingdom partly overlap with those of the Netherlands.
Maurice P. A. Zeegers, Frans van Poppel, Robert Vlietinck, Liesbeth Spruijt, and Harry Ostrer. "Founder mutations among the Dutch." European Journal of Human Genetics 12 (2004): pages 591-600. Published online on March 10, 2004. Excerpts from the Abstract:
"[...] Several different classes of founder mutations have been identified among the Dutch. Some mutations occur among people who represent genetic isolates within this country. These include mutations for benign familial cholestasis, diabetes mellitus, type I, infantile neuronal ceroid lipofuscinosis, L-DOPA responsive dystonia, and triphalangeal thumb. Although not related to a specific isolate, other founder mutations were identified only within the Netherlands, including those predisposing for hereditary breast-ovarian cancer, familial hypercholesterolemia, frontotemporal dementia, hereditary paragangliomas, juvenile neuronal ceroid lipofuscinosis, malignant melanoma, protein C deficiency, and San Filippo disease. Many of these show a regional distribution, suggesting dissemination from a founder. Some mutations that occur among the Dutch are shared with other European populations and others have been transmitted by Dutch émigrés to their descendents in North America and South Africa. [...]"
Lakshmi Chaitanya, Mannis van Oven, Silke Brauer, Bettina Zimmermann, Gabriela Huber, Catarina Xavier, Walther Parson, Peter de Knijff, and Manfred Kayser. "High-quality mtDNA control region sequences from 680 individuals sampled across the Netherlands to establish a national forensic mtDNA reference database." Forensic Science International Genetics 21 (March 2016): pages 158-167. First published online on December 10, 2015. Excerpts from the Abstract:
"[...] Here, we determined, under high quality standards, the complete mtDNA control-region sequences of 680 individuals from across the Netherlands sampled at 54 sites, covering the entire country with 10 geographic sub-regions. [...] Haplotype diversity of the entire sample set was very high at 99.63% and, accordingly, the random-match probability was 0.37%. No population substructure within the Netherlands was detected with our dataset. Phylogenetic analyses were performed to determine mtDNA haplogroups. [...]"