Sigurd Engelstad

Sigurd Engelstad was a Norwegian genealogist and archivist.
Engelstad was born in Hadsel Municipality in Nordland county, Norway. He was the son of jurist Sigurd Engelstad and older brother of writer Carl [Fredrik Engelstad]. Through Carl Fredrik, Sigurd was the uncle of professor Fredrik Engelstad.
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 at the National [Archival Services of Norway].