Sigurd Engelstad was a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 genealogist and archivist.

Engelstad was born in Hadsel

Hadsel

Hadsel is a municipality in Nordland county, Norway. It is part of the Vesterålen traditional region. The administrative centre of the municipality is the village of Stokmarknes, and the other village on the island of Hadseløya is Melbu. Hadsel was established as a municipality on 1 January 1838...

 as the son of jurist Sigurd Engelstad (1878–1916) and older brother of writer Carl Fredrik Engelstad

Carl Fredrik Engelstad

Carl Johan Fredrik Engelstad was a Norwegian writer, playwright, journalist, translator and theatre director.-Personal life:...

. Through Carl Fredrik, Sigurd was the uncle of professor Fredrik Engelstad

Fredrik Engelstad

Fredrik Engelstad is a Norwegian sociologist. He has written several books.He is the son of writer Carl Fredrik Engelstad and physician Vibeke Engelstad, and a nephew of archivist Sigurd Engelstad. He is married to professor Irene Johnson....

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Sigurd Engelstad published several genealogical works, and was a co-editor of the journal Norsk slektshistorisk tidsskrift from 1960 to 1975. From 1979 to 1983 he served as deputy archivist (førstearkivar) at the National Archival Services of Norway

National Archival Services of Norway

The National Archival Services of Norway is a Norwegian government agency that is responsible for keeping state archives, conducts control of public archiving and works to preserve private archives. It is subordinate to the Ministry of Culture and Church Affairs and consists of the National...

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