| 2. | Ingenieur Petrus Reinier Lanfermeijer Petrus married Yvonne Meinen. [Group Sheet] [Family Chart] |
| 3. | Yvonne Meinen
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| 4. | Petrus Gerardus Lanfermeijer Petrus married Johanna Petronella Barbara Rossen [Group Sheet] [Family Chart] |
| 5. | Johanna Petronella Barbara Rossen
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| 8. | Petrus Lanfermeijer was born on 16 Jul 1911 in Amsterdam (son of Gerard Lanfermeijer and Catharina Cornelia Hoog); died on 6 Jul 1998 in Amsterdam. Petrus married Maria Anna Krijgsman on 21 May 1942 (burgerlijk huwelijk) in Purmerend. Maria was born on 23 Apr 1911 in Purmerend; died on 13 Aug 1953 in Amsterdam; was buried on 17 Aug 1953 in Amsterdam-N RK Kerkhof Buitenveldert. [Group Sheet] [Family Chart] |
| 9. | Maria Anna Krijgsman was born on 23 Apr 1911 in Purmerend; died on 13 Aug 1953 in Amsterdam; was buried on 17 Aug 1953 in Amsterdam-N RK Kerkhof Buitenveldert.
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