Thanks to the efforts of mister. Herman de Wit and about 50 volunteers who published the telephone book of the Netherlands of 1915 we discovered that only three Dubbelman family's owned a telephone in 1915 in the Netherlands. Facts found at : http://www.de-wit.net/bronnen/tel1915
| Number listed | Name | Occupation or business | Address | Listed in: |
| 1714 | Dubbelman, F. | Civiel Ingenieur | Oudwijkerlaan 39 | Utrecht |
| H6593 | Dubbelman, P.F.J. | not mentioned | de Carpentierstr. 11 | 's Gravenhage |
| 9 | Dubbelman, C | Stoommodelmakerij en timmerfabriek | not mentioned | Slikkerveer |
| N3179 | Dobbelman, Louis | Tabak- en sigarenfabr., voorh., | Singel 488 (8-6) | Amsterdam |
| 6490 | Dobbelman, J. | Consulaat Oostenrijk-Hongarije, | Boompjes 83a | Rotterdam |
| 309 | Dobbelman, Jos | Oude Delft | Delft | |
| 1503 | Dobbelmann,Gebr | Zeepfabriek | Graafschedwarsstr. 12 | Nijmegen |
| 523 | Dobbelmann, J.B. | Fa. J.B Dobbelmann, Tabaksfabriek., handel in kolen waren | Smidstr. 19 | Nijmegen |
| 987 | Dobbelmann, P.T.H.M | Mary'Home | Vondelstr. 1 | Nijmegen |
| 888 | Dobbelmann, P.V.H.M | Huize de Winkelsteeg | Hatert | Nijmegen |
| 837 | Dobbelmann-Ariëns, | Mevrouw weduwe Emile Dobbelmann | Kezier Karelplein 4 | Nijmegen |
The only possible link of the Dubbelman's to the genealogy could be Petrus Franciscus Johannes Dubbelman of the Thomas Dubbelman pedigree. He was born in Rotterdam which is not far of 's-Gravenhage (The Hague). His occupation was not mentioned but records show as occupation 'kistenmaker", he made wooden crates. F. Dubbelman mentioned as occupation Civil Engineer, C. Dubbelman Steam model mentions maker or factory and Carpenter factory.
The Dobbelman(n)\s are for sure members of the Thomas pedigree.
It seems rather strange to find only members of the Thomas pedigree. But it is not strange when you take in consideration that the telephone subscriptions in the larger towns were more needed and probably earlier possible. The Jan Dubbelman and Michiel Dubbelman pedigrees lived in smaller towns were the people lived more closely and everyone knew each other.
After World War II the Netherlands was uncertain of their basic census registrations. The hunger winter of 1943 and the liberation of The Netherlands as well as the occupation itself, took many lives The new administration of the government needed good information to base their policy's on. So in 1947 there was a so called "volkstelling" and all homes were visited and the people counted. This resulted in an index that is the base of following figure. The figure shows the amount of counted Dubbelman family members in every province. The cursive numbers are the city's of Amsterdam (5), The Hague (28) and Rotterdam (130). The last row is the amount of Dubbelman named people who did not reside to a province or city because they had no steady residence.
The figure and numbers of 1947 are taken from the Meertens Institute at http://www.meertens.nl
The quantity of namesakes and the distribution per province according to the census taken in 1947. |
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Netherlands 1947, Dobbelmann
The quantity of Dobbelman family members per province in 1947. |
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This is not a person count like that one of 1947.
Only the phonebook entry's are listed. So one phonebook entry can be an entire family.
If you take for example a average of 3 family members of each listing the amount
of Dubbelman living in the Netherlands is (306 x 3 =) 918
The quantity of phonebook entry's and the distribution per province according to the phonebook of 2001. |
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Belgian 31-12-1997, Dubbelman, Phonebook
Belgian counted their census (children and elders) and the surname count reveils there are Dubbelman family's in Belgian. No Dobbelmann or Dobbelman.

Details found at www.svvf.net
| Aantal | Plaats | Arrondisement | Provincie |
| 1 | Hoogstraten | Turnhout | Antwerpen |
| 3 | Seneffe | Charleroi | Hainaut |
| 6 | Sint-Genesius-Rode | Halle-Vilvoorde | Brabant |
| 1 | Wezembeek-Oppem | Halle-Vilvoorde | Brabant |
| 1 | Wuustwezel | Antwerpen | Antwerpen |
Germany, 2008; Dobbelmann, Phonebook
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| Naam | Adres | Postcode plaats | Telefoon |
| Dobbelmann Adelgunde | Heiligenbergstr. 27 | 66763 Dillingen | 06831 4 89 57 99 |
| Dobbelmann Albert | Johannisstr. 58 | 66663 Merzig | 06869 4 91 |
| Dobbelmann B. | 06332 1 63 65 | ||
| Dobbelmann Barbara | Johannes-Göderitz-Str. 105 | 39130 Magdeburg | 0391 7 21 98 32 |
| Dobbelmann Barbara | In der Pell 25 | 91792 Ellingen | 09141 87 38 46 |
| Dobbelmann Bernd | Im Oberwald 22 | 67661 Kaiserslautern | 0172 8 35 82 45 |
| Dobbelmann Bernd u. Ela | Im Oberwald 22 | 67661 Kaiserslautern | 0631 3 50 44 17 |
| Dobbelmann Hansgünther Dr.-Ing. | Otto-Pilz-Str. 23 | 01217 Dresden | 0351 4 71 19 26 |
| Dobbelmann Henning | Am Lütterbüschgen 26 | 52072 Aachen | 0241 1 47 26 |
| Dobbelmann Susanne | Essener Str. 17 | 44139 Dortmund | 0231 10 19 75 |
Germany 2008; Dubbelman, Phonebook

| Naam | Adres | Postcode plaats | Telefoon |
| Dubbelman Andrea u. Dennis | Bahnhofstr. 41 | 27367 Hassendorf | 04264 3 92 99 32 |
| Dubbelman Annette | 687.. Plankstadt | 06202 2 23 24 | |
| Dubbelman Werner | Am Hasenbühl 35 | 66128 Saarbrücken | 0681 7 09 53 63 |
| Ruiter Jan Gerrit , Dubbelman Andr | Hirschbrunnenweg 64 | 68723 Schwetzingen | 06202 2 31 60 |
Sweden 2008; Dubbelman, Phonebook
For about 12 different individuals of 17 noted listings. Several listings are of the same person regarding the name and address. No Dobbelmann or Dobbelman present in the Swedish phonebook.
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Maria Nordström & Joacim Dubbelman Tel. 08-618 29 39 Vendelstigen 16 16853 BROMMA Kaarina Dubbelman Tel. 0570-174 19 Kyrkog. 10 A 67132 ARVIKA Kerstin Dubbelman Tel. 021-33 15 53 Kronhjortsgatan 20 72242 VÄSTERÅS Leena Helmi Kaarina Dubbelman Mobil 073-075 71 81 Kyrkogatan 10 A 67132 ARVIKA Lena Dubbelman Mobil 073-682 35 59 SEMCON PROJECT MAN AB Leverantörsreskontran 41780 GÖTEBORG Lena Dubbelman Tel. 08-601 98 86 Diligensv. 7 13148 NACKA Lena Dubbelman Mobil 070-926 69 02 Diligensv. 7 13148 NACKA Lena Dubbelman Mobil 076-858 47 02 Diligensvägen 7, BV 13148 NACKA Mari Dubbelman Mobil 070-746 46 70 Fogdevreten 10 1 TR 17165 SOLNA Nils Dubbelman Tel. 011-16 12 36 S:t Persg. 69 A 60233 NORRKÖPING |
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Peter Joakim Dubbelman Mobil 073-622 42 22 Vendelstigen 16 16853 BROMMA Raimo Dubbelman Tel. 040-15 68 48 Skomakarebyn 2 C 21841 BUNKEFLOSTRAND Raimo Emil Antero Dubbelman Mobil 070-607 97 12 Skomakarebyn 2 C 21841 BUNKEFLOSTRAND Rita Dubbelman Mobil 073-978 43 30 Mobiltelefon Ymsenv. 14 12038 ÅRSTA Rut Kerstin Dubbelman Mobil 070-424 34 66 Kronhjortsg 20 72242 VÄSTERÅS Stefan Dubbelman Tel. 08-25 33 44 Transtigen 55 18270 STOCKSUND Ulla Dubbelman Tel. 019-18 42 65 Köpmang. 53 70223 ÖREBRO |