Background
Efrain Jonckheer was born in Curasao on 20 October 1910.
Efrain Jonckheer was born in Curasao on 20 October 1910.
He emerged as the first minister president (prime minister) of Netherlands Antilles, when an autonomous elected regime was established in 1954. With continuing victories of the Curasao Democratic Party and its allies in the other islands, he continued to hold that position. He led the government for the following decade.