One 82 year old in Vietnam and aged 41 years son, whose whereabouts were lost during the war with the U.S., ended up living in the woods of central country, officials said in Hanoi.
The father was able to communicate to a certain extent in the minority language Korean, but the son only knew a few words, said the same source community Tai Banking province Quang Ngai.
The Ho Van Thanasis sighted for the last time to run to the woods with the small son and then two more children in 1973, reports the newspaper Dan Tri.
Father and son were found Wednesday when two residents of the neighboring village who lived within 40 km through forest for wood, saw the tree house the two men and alerted local authorities.
Both men survived cultivating vegetables of the forest and hunting animals. They had no contact with the outside world, the newspaper said.
Photographs published in local media suggest his son with long disheveled hair wearing an outfit made of tree bark.