Eduardo Alberto Duhalde was born 5 October 1941 in Lomas de Zamora, Provincia de Buenos Aires, Argentina to Tomás Duhalde (1907-1977) and María Ester Maldonado (1913-2004) . He married Hilda Beatriz González (1946) 28 July 1971 in San Vicente, San Vicente, Buenos Aires Province, Argentina.
Children
| Name | Birth | Death | Joined with |
| Juliana Duhalde (1972) | |||
| Analía Duhalde (1973) | |||
| María Eva Duhalde (1975) | |||
| Agustina Duhalde (1981) | |||
| Tomás Duhalde (1983) | |||
Siblings