Isabelle Anthonia Lucretia van Westreenen

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- 1 Isabelle Anthonia Lucretia van Westreenen [1] b. 1778 d. 1846
Johan Frederik van Beeck Calkoen b. 1772 d. 1811
- 2 Wilhelmina Maria van Beeck Calkoen [1.1]
b. 1804 d. 1877
Sjuck van Welderen Rengers b. 8 Nov 1799 d. 22 Oct 1870
- 3 Bernhard Egbert Sjuck van Welderen Rengers, Baron [1.1.1]
b. 1825 d. Yes, date unknown
- + Johanna Maria Grouwen b. 1818 d. Yes, date unknown
- + Johanna Maria Grouwen b. 1818 d. Yes, date unknown
- 3 Isabella Antonia Lucretia van Welderen Rengers [1.1.2]
b. 1833 d. Yes, date unknown
- 3 Sjuck Gerrold van Welderen Rengers, Baron [1.1.3]
b. 1836 d. Yes, date unknown
- + Johanna Adolphina Rant b. 1845 d. Yes, date unknown
- + Johanna Adolphina Rant b. 1845 d. Yes, date unknown
- 3 Jan Frederik van Welderen Rengers [1.1.4]
b. 1842 d. Yes, date unknown
- 3 Bernhard Egbert Sjuck van Welderen Rengers, Baron [1.1.1]
- 2 Arnoud Johan van Beeck Calkoen [1.2]
b. 1805 d. 1874
Angelique Henrietta Hora Siccama b. 1809 d. Yes, date unknown
- 3 Amelia Carolina van Beeck Calkoen [1.2.1]
b. 1835 d. 1852
- 3 Jan Frederik van Beeck Calkoen [1.2.2]
b. 1837 d. 1837
- 3 Jan Frederik van Beeck Calkoen [1.2.3]
b. 1838 d. Yes, date unknown
- + Maria Elizabeth Boissevain b. 1841 d. 1919
- + Maria Elizabeth Boissevain b. 1841 d. 1919
- 3 Louise Angelique van Beeck Calkoen [1.2.4]
b. 1839 d. Yes, date unknown
- 3 Aarnoud Willem van Beeck Calkoen [1.2.5]
b. 1842 d. 1922
Pauline Albertina Ram b. 1845 d. Yes, date unknown
- 4 Aarnoud Jan van Beeck Calkoen [1.2.5.1]
b. 1869 d. 1889
- 4 Francisca Johanna van Beeck Calkoen [1.2.5.2]
b. 1870 d. 1947
- 4 Willem Jabes van Beeck Calkoen [1.2.5.3]
b. 1871 d. 1945
- + Adrienne Johanna Repelaer b. 1880 d. Yes, date unknown
- + Adrienne Johanna Repelaer b. 1880 d. Yes, date unknown
- 4 Albert Jan Leonard van Beeck Calkoen [1.2.5.4]
b. 1874 d. 1949
- + Cornelia Martina van Heemstra, Barones b. 1880 d. 1927
- + Cornelia Martina van Heemstra, Barones b. 1880 d. 1927
- 4 Magdalena Maria van Beeck Calkoen [1.2.5.5]
b. 1876 d. Yes, date unknown
- + Willem Johannes D. Havelaar b. 1887 d. Yes, date unknown
- + Willem Johannes D. Havelaar b. 1887 d. Yes, date unknown
- 4 Wilhelmina Cornelia van Beeck Calkoen [1.2.5.6]
b. 1878 d. Yes, date unknown
- 4 Jan Frederik van Beeck Calkoen [1.2.5.7]
b. 1880 d. 1966
- + Cornelia van Limburg-Stirum, Gravin b. 20 Jul 1902 d. 5 Jan 1990
- + Cornelia van Limburg-Stirum, Gravin b. 20 Jul 1902 d. 5 Jan 1990
- 4 Isabella Antonia Lucretia van Beeck Calkoen [1.2.5.8]
b. 1883 d. 1945
- 4 Aarnoud Jan van Beeck Calkoen [1.2.5.1]
- 3 Harco van Beeck Calkoen [1.2.6]
b. 1845 d. 1846
- 3 Antonie van Beeck Calkoen [1.2.7]
b. 1847 d. 1920
- 3 Amelia Carolina van Beeck Calkoen [1.2.1]
- 2 Willem Jabes van Beeck Calkoen [1.3]
b. 1806 d. 21 Aug 1895
Sazunna Elizabeth Sluijmer 'sGraeuwen b. 1811 d. 1885
- 3 Isabella Antonia Lucretia van Beeck Calkoen [1.3.1]
b. 1834 d. 1847
- 3 Pauline Johanna Maria van Beeck Calkoen [1.3.2]
b. 1837 d. 1865
- + Carel Cypriaan Gerard de Pesters b. 1833 d. Yes, date unknown
- + Carel Cypriaan Gerard de Pesters b. 1833 d. Yes, date unknown
- 3 Willem Aarnoud van Beeck Calkoen [1.3.3]
b. 1846 d. Yes, date unknown
- + Sara Johanna Grothe b. 1849 d. 1927
- + Sara Johanna Grothe b. 1849 d. 1927
- 3 Isabella Antonia Lucretia van Beeck Calkoen [1.3.1]
- 2 Antoinette Charlotte van Beeck Calkoen [1.4]
b. 1808 d. 1809
- 2 Wilhelmina Maria van Beeck Calkoen [1.1]