Jan Stadlander1
Child of Jan Stadlander and Anna Margaretha Ploos van Amstel
- Cornelia Margaretha Stadlander+1 b. 18 May 1760, d. 7 Jun 1836
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Anna Margaretha Ploos van Amstel1
Child of Anna Margaretha Ploos van Amstel and Jan Stadlander
- Cornelia Margaretha Stadlander+1 b. 18 May 1760, d. 7 Jun 1836
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Jean Blaauw1 
Child of Jean Blaauw and Jonkvrouw Anna Cornelia Wilhelmina van Hoogstraten
- Gerrit Cornelis Blaauw+1 b. 14 May 1821, d. 3 Feb 1892
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Jonkvrouw Anna Cornelia Wilhelmina van Hoogstraten1 
Her married name became Blaauw.1
Child of Jonkvrouw Anna Cornelia Wilhelmina van Hoogstraten and Jean Blaauw
- Gerrit Cornelis Blaauw+1 b. 14 May 1821, d. 3 Feb 1892
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Adrianus van Hoogstraten1
Child of Adrianus van Hoogstraten and Johanna Catharina Berck
- Jonkvrouw Anna Cornelia Wilhelmina van Hoogstraten+1 b. 15 Sep 1797
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Johanna Catharina Berck1
Child of Johanna Catharina Berck and Adrianus van Hoogstraten
- Jonkvrouw Anna Cornelia Wilhelmina van Hoogstraten+1 b. 15 Sep 1797
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Gerrit Cornelis Blaauw1 
Children of Gerrit Cornelis Blaauw and Catharina Koopmans
- Anna Cornelia Wilhelmina Blaauw+1 b. 10 Feb 1852, d. 1927
- Gerrit Blaauw+1 b. 6 Apr 1855, d. 24 Apr 1929
- Abraham Jacob Blaauw+1 b. 7 Jan 1861, d. 22 Jan 1945
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Catharina Koopmans1 
From 11 June 1846, her married name became Blaauw.1
Children of Catharina Koopmans and Gerrit Cornelis Blaauw
- Anna Cornelia Wilhelmina Blaauw+1 b. 10 Feb 1852, d. 1927
- Gerrit Blaauw+1 b. 6 Apr 1855, d. 24 Apr 1929
- Abraham Jacob Blaauw+1 b. 7 Jan 1861, d. 22 Jan 1945
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Dirk Koopmans1
Child of Dirk Koopmans and Johanna Broes
- Catharina Koopmans+1 b. 9 Oct 1822, d. 19 Feb 1914
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Johanna Broes1
Child of Johanna Broes and Dirk Koopmans
- Catharina Koopmans+1 b. 9 Oct 1822, d. 19 Feb 1914
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
