| Hendricus Johannes Hollenkamp b.1890 Amsterdam, NH, NLD d.1970 Amstelveen, NH, NLD |  |
| Maria Elisabeth Hollenkamp b.1891 Amsterdam, NH, NLD d.1971 Nijmegen, GE, NLD |  |  | Gerhard Heinrich Hollenkamp b. d.
| Johanna Maria Mathea Hollenkamp b.1896 Hilversum, NH, NLD d.1983 Amsterdam, NH, NLD |  | Heinrich Arnold Hollenkamp b.1860 Rüssel, DEU d.1925 Arnhem, GE, NLD
| Wilhelmus Hendricus Hollenkamp b.1897 Hilversum, NH, NLD d.1974 Rotterdam, ZH, NLD |  |  | Gertruid Möllmann b. Rüssel, DEU d.
| Arnoldus Petrus Maria Hollenkamp b.1900 Hilversum, NH, NLD d. |  |
| Maria Henriëttemariette Hollenkamp b.1903 Hilversum, NH, NLD d.1949 Amsterdam, NH, NLD |  |  | Johann Wilhelm Würden b.1828 Wissen a/d Sieg, DEU d.1903 Aken, DEU
| Alice Hermine Maria Hollenkamp b.1906 Hilversum, NH, NLD d.1938 Groningen, GR, NLD |  | Johanna Würden b.1868 Barmen, DEU d.1955 Amsterdam, NH, NLD
| E A Hollenkamp b. d. |  |  | Wilhelmine Strimk b.1837 Dortmund, DEU d.1904 Aken, DEU