María Esther Castro Almeyra
1893 - Sí, fecha desconocida(
= Gráfico descendencia hasta este punto, 
= Expandir, 
= Contraer)
- 1 María Esther Castro Almeyra [1] n. 1893 f. Sí, fecha desconocida
- Horacio Jorge Cook Torres n. 10 Mar 1888 f. 20 Feb 1958
- 2 Horacio Carlos Cook Castro Almeyra [1.1] n. 5 Oct 1917
- Delia Madero Esteves f. 11 Mar 2012
- 3 María Inés Cook Madero [1.1.1]
- Facundo Vicente Alfredo Demarchi Lagos n. 9 Sep 1942 f. 3 Jul 2018
- 4 Marina Inés Demarchi Cook [1.1.1.1]
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- 4 Sonia María Demarchi Cook [1.1.1.2]
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- 4 María Jacinta Demarchi Cook [1.1.1.3]
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- 4 María Rosario Demarchi Cook [1.1.1.4]
- 4 Iván Facundo Demarchi Cook [1.1.1.5]
- 4 Horacio Facundo Demarchi Cook [1.1.1.6]
- 4 Marina Inés Demarchi Cook [1.1.1.1]
- 3 Eileen Cook Madero [1.1.2]
- Martín Mascotena Urquiza n. 7 Nov 1940 f. Sí, fecha desconocida
- 4 Martín Mauro Mascotena Cook [1.1.2.1]
- 4 Milagros Mascotena Cook [1.1.2.2]
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- 4 Agustín Mascotena Cook [1.1.2.3]
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- 4 E. Debora Mascotena Cook [1.1.2.4]
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- 4 Martín Mauro Mascotena Cook [1.1.2.1]
- 3 Maureen Cook Madero [1.1.3]
- Juan Luis Llambías Moyano
- 4 María José Llambías Cook [1.1.3.1]
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- 4 Angeles Llambías Cook [1.1.3.2]
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- 4 Jaime Llambías Cook [1.1.3.3]
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- 4 María José Llambías Cook [1.1.3.1]
- 3 María Isabel Cook Madero [1.1.4]
- Carlos Eduardo Cavanagh Sacriste
- 4 Ignacio Cavanagh Cook [1.1.4.1]
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- 4 María Cecilia Cavanagh Cook [1.1.4.2]
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- 4 Diego Horacio Cavanagh Cook [1.1.4.3]
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- 4 Santiago Cavanagh Cook [1.1.4.4]
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- 4 María Lucía Cavanagh Cook [1.1.4.5]
- 4 Marcos Cavanagh Cook [1.1.4.6]
- 4 Ignacio Cavanagh Cook [1.1.4.1]
- 3 Horacio María Cook Madero [1.1.5]
- María Susana Nicolini Balcarce
- 4 Lucas Cook Nicolini [1.1.5.1]
- 4 Clara Cook Nicolini [1.1.5.2]
- 4 Matías Cook Nicolini [1.1.5.3]
- 4 Lucas Cook Nicolini [1.1.5.1]
- 3 María Inés Cook Madero [1.1.1]
- 2 Guillermo Alfredo Cook Castro Almeyra [1.2] n. 10 Oct 1923 f. 23 Mar 2004
- 2 Federico Jorge Cook Castro Almeyra [1.3] f. Ant. Mar 2004
- Elena Macrae f. 10 Mar 2018
- 3 Gloria María Cook Macrae [1.3.1]
- Napoleón Luis Paz Zuberbühler n. 20 Nov 1923 f. 28 Sep 2015
- 4 Mariana Zulema Paz Cook [1.3.1.1]
- 4 Mariana Zulema Paz Cook [1.3.1.1]
- 3 Federico Carlos Cook Macrae [1.3.2] f. 3 Oct 2016
- 3 Gloria María Cook Macrae [1.3.1]
- 2 Horacio Carlos Cook Castro Almeyra [1.1]