Johan Carel van Nollen1 
He held the office of Dutch Consul-General to Geneva between 1939 and 1948.1
Cecilia Louise Boissevain1 
Child of Cecilia Louise Boissevain and Marinus Crommelin
- Constance Eveline Crommelin+1 b. 27 May 1910, d. 21 Aug 1993
Marinus Crommelin1 
Child of Marinus Crommelin and Cecilia Louise Boissevain
- Constance Eveline Crommelin+1 b. 27 May 1910, d. 21 Aug 1993
Jacob Willem Hendrik Crommelin1 
Child of Jacob Willem Hendrik Crommelin and Clara Wilhelmina Wilkens
- Marinus Crommelin+1 b. 5 Feb 1882, d. 23 Oct 1958
Gulian Cornelis Crommelin1 
Child of Gulian Cornelis Crommelin and Louise Smissaert
- Jacob Willem Hendrik Crommelin+1 b. 27 Feb 1844, d. 27 May 1919
Louise Smissaert1 
Child of Louise Smissaert and Gulian Cornelis Crommelin
- Jacob Willem Hendrik Crommelin+1 b. 27 Feb 1844, d. 27 May 1919
Clara Wilhelmina Wilkens1 
From 4 June 1875, her married name became Crommelin.1
Child of Clara Wilhelmina Wilkens and Jacob Willem Hendrik Crommelin
- Marinus Crommelin+1 b. 5 Feb 1882, d. 23 Oct 1958
Johan Stephan Leonard Gualthérie van Weezel1
He held the office of Dutch Ambassador to Luxemburg.1
Child of Johan Stephan Leonard Gualthérie van Weezel and Gerarda Gezina Jolande de Visser
- Annemarie Cecilia Gualthérie van Weezel+1 b. 18 Dec 1977
Constance Eveline Crommelin1 
Child of Constance Eveline Crommelin and Johan Hendrik Albert Karel Gualthérie van Weezel
- Johan Stephan Leonard Gualthérie van Weezel+1 b. 26 Jul 1941
Johan Hendrik Albert Karel Gualthérie van Weezel1 
He was commander of police between 1953 and 1970 at The Hague, The Netherlands.1
Child of Johan Hendrik Albert Karel Gualthérie van Weezel and Constance Eveline Crommelin
- Johan Stephan Leonard Gualthérie van Weezel+1 b. 26 Jul 1941
