Ruler · 1917 – 1987

Efraïn Jonckheer

Lived 1917 – 1987; politician. Prime Minister of the Netherlands Antilles (Netherlands Antilles), 1954 – 1968.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1917 – 1987; 70 years
In office: 14 years; one reign
Lines: 1; Netherlands Antilles
Left it: left office alive; read off the dates alone

Prime Minister of the Netherlands Antilles

Netherlands Antilles · the 2nd of 23 dated reigns · 1951 – 2010

Moises Frumencio da Costa Gomez1951 – 1954

Efraïn Jonckheer1954 – 1968

Ciro Kroon1968 – 1969

Gerald Sprockel1969

Ernesto Petronia1969 – 1971

18 after

left alive by a regular roadending not on recordthis entry

Reigned 1954 – 1968 · 14 years · came to it aged 37

Left it: left office aliveread off the dates alone: the term ends in 1968; they died in 1987

Open in the atlas

Efraïn Jonckheer in the atlas: the article, every line they sat in, and the map in their years.
Analyse the succession of Netherlands Antilles: every reign, how each ended, and the numbers over them.
States of Americas and Oceania, and every state with a page.

Wikidata Q21547562 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.