Elena Vallejo Posse
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| Dolores María Cossio Peralta Ramos | |
| F: | 7 Oct 2005 |
Enrique José Romualdo Cossio Leston 1934-2008 |
| Enrique José Romualdo Cossio Leston | |
| N: | 7 Feb 1934 |
| Mar del Plata, Bs. As., Argentina | |
| F: | 8 Abr 2008 |
 | Elena Inés Peralta Ramos Aldao 1937-2013 |
| Elena Inés Peralta Ramos Aldao | |
| N: | 31 Ene 1937 |
| Mar del Plata, Bs. As., Argentina | |
| F: | 28 Nov 2013 |
| César Eduardo Cossio Leston | |
| F: | 1 Jul 2015 |
| María Elena Chrestia Brown | |
| F: | 24 Nov 2007 |
| San Miguel de Tucumán, Tucumán, Argentina | |
| Guillermina Teresa Cossio Leston 1938-2018 |
| Guillermina Teresa Cossio Leston | |
| N: | 20 Sep 1938 |
| Buenos Aires, Argentina | |
| F: | 1 Ene 2018 |
| Buenos Aires, Argentina | |
| Guillermina Leston Vallejo | |
| F: | 19 Sep 1977 |
| Buenos Aires, Argentina | |
| Enrique José Florencio Cossio Etchecopar | |
| N: | 23 Feb 1901 |
| San Miguel de Tucumán, Tucumán, Argentina | |
| Carmen Elina Leston Vallejo | |
| N: | 10 Oct 1904 |
| San Miguel de Tucumán, Tucumán, Argentina | |
| Juan Carlos José Marcos Cossio Etchecopar | |
| N: | 7 Oct 1897 |
| San Miguel de Tucumán, Tucumán, Argentina | |
 | Carlos Alberto Leston Vallejo 1908-1993 |
| Carlos Alberto Leston Vallejo | |
| N: | 9 Oct 1908 |
| San Miguel de Tucumán, Tucumán, Argentina | |
| F: | 7 Jun 1993 |
 | Francisca Andrea de Elizalde Bruel 1915-1975 |
| Francisca Andrea de Elizalde Bruel | |
| N: | 28 Oct 1915 |
| París, Francia | |
| F: | 16 Ago 1975 |
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