Humberto Carlos Leoni
(
= Gráfico descendencia hasta este punto, 
= Expandir, 
= Contraer)
- 1 Humberto Carlos Leoni [1]
- Cecilia María Dorotea Houssay Laffont c. 17 May 1894
- 2 Coronel Luis Alberto Leoni Houssay [1.1] n. 9 Feb 1924 f. 18 May 2004
- Sylvia Patrón Costas Barni
- 3 Fernando Luis Leoni Patrón Costas [1.1.1]
- 3 Carolina Leoni Patrón Costas [1.1.2]
- Roberto San Millán Ávila
- 4 Carolina San Millán Leoni [1.1.2.1]
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- 4 Roberto San Millán Leoni [1.1.2.2]
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- 4 Carolina San Millán Leoni [1.1.2.1]
- 3 Marcela Leoni Patrón Costas [1.1.3]
- Federico Domingo Cornejo Castellanos
- 4 Clara María Cornejo Leoni [1.1.3.1]
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- 4 Constanza Cornejo Leoni [1.1.3.2]
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- 4 Ángeles Cornejo Leoni [1.1.3.3]
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- 4 María Teresa Cornejo Leoni [1.1.3.4]
- 4 Delfina Cornejo Leoni [1.1.3.5]
- 4 Clara María Cornejo Leoni [1.1.3.1]
- 3 Eduardo Adrián Leoni Patrón Costas [1.1.4]
- 3 María del Milagro Leoni Patrón Costas [1.1.5]
- 3 Fernando Luis Leoni Patrón Costas [1.1.1]
- 2 Alfredo Leoni Houssay [1.2]
- Angélica Lejarza Piattini
- 3 Alfredo Leoni Lejarza [1.2.1]
- Amelia Peña Poviña
- 4 María José Leoni Peña [1.2.1.1]
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- 4 Silvina Leoni Peña [1.2.1.2]
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- 4 Mariana Leoni Peña [1.2.1.3]
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- 4 María José Leoni Peña [1.2.1.1]
- 3 Silvina Leoni Lejarza [1.2.2]
- 3 Mariana Leoni Lejarza [1.2.3]
- 3 Alfredo Leoni Lejarza [1.2.1]
- 2 Coronel Luis Alberto Leoni Houssay [1.1]