| Birth | March 2, 1920 31 29 |
| Death of a maternal grandmother | Neeltje Tjeerds Visser February 25, 1940 (Age 19 years) |
| Tweede Wereldoorlog | May 1940 (Age 20 years) Note: Mobilisatie van Sijbrand de Vries, geboren 2 maart 1920 te Ameland. Waarschijnlijk 21e Reg. Inf. 1e ploeg, in de meidagen van 1940 ingezet in de strijd om de Grebbeberg.
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| Death of a sister | Everdina de Vries January 17, 1945 (Age 24 years) Note: Ongehuwd
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| Death of a paternal grandmother | Dirkje Timmerman November 28, 1952 (Age 32 years) |
| Residence | from July 27, 1967 (Age 47 years) Note: Sijbrand verhuist met zijn gezin van Amsterdam naar Landsmeer.
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| Death of a father | Gerrit de Vries March 26, 1968 (Age 48 years) |
| Death of a mother | Truitje Bakker March 1, 1982 (Age 61 years) |
| Death | December 3, 1990 (Age 70 years) |
| Last change | May 8, 2025 – 19:30:54 by: Nynke |
| Family with parents |
| father |
Gerrit de Vries Birth: May 9, 1888 25 20 — Hollum Death: March 26, 1968 — Amsterdam |
| mother |
Truitje Bakker Birth: June 14, 1890 51 36 — Hollum Death: March 1, 1982 — Amsterdam |
| elder sister |
Everdina de Vries Birth: September 16, 1917 29 27 — Hollum Death: January 17, 1945 — Amsterdam |
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3 years himself |
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| sister |
Private |
| Family with Johanna Petronella Herour |
| himself |
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| wife |
Johanna Petronella Herour Birth: May 18, 1923 — Herwen en Aerdt Death: Landsmeer (vermoedelijk) |
| daughter |
Private |
| son |
Private |
| daughter |
Private |
| daughter |
Private |
| Tweede Wereldoorlog | Mobilisatie van Sijbrand de Vries, geboren 2 maart 1920 te Ameland. Waarschijnlijk 21e Reg. Inf. 1e ploeg, in de meidagen van 1940 ingezet in de strijd om de Grebbeberg. |
| Residence | Sijbrand verhuist met zijn gezin van Amsterdam naar Landsmeer. |
| Tweede Wereldoorlog | Format: image/jpeg Image dimensions: 566 × 1,035 pixels File size: 153 KB Type: Photo |
| Media object | Format: image/png Image dimensions: 151 × 184 pixels File size: 49 KB Type: Photo |