Sierp Hobbes, born in Zweins on August 24, 1786, christened there on September 17, 1786, son of Hobbe Seerps Dijkstra (arbeider op Kingma) and Antje Broers.

Sierp was married in Barradeel on May 2, 1812, at the age of 25 to
Sibbeltje Sjoerds (aged approximately 21 years), born in Pietersbierum circa 1791, daughter of Sjoerd Gerlofs and Klaaske Jakels.