Plesner
Plesner is a Norwegian family of Danish origin whose descendants became prominent in Norwegian commercial, cultural, and public life.
Last updated August 24, 2026
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Overview
Plesner, as described in the canonical Wikipedia article, is a Norwegian family of Danish extraction rather than the Danish legal-services firm that also uses the name. The family's documented Norwegian history begins with Johan Glüsing Plesner, who was born in 1703 and came from Kerteminde in Denmark. Around 1720 he migrated to Skien, Norway, where he established himself as a merchant. His parents were Bendix Jens Plesner, a Kerteminde merchant who died in 1708, and Anna Dorthe Bager, who died in 1748. Johan married Karen Cathrine Hind, the daughter of Kerteminde municipal official Knud Pedersen Hind. Johan's son Knud Plesner, born in 1731 and deceased in 1790, continued the family's association with commerce in Skien. Knud married Marie Roll, and through their daughters Maria Plesner and Johanne Plesner the family became connected to several influential Norwegian and Danish-Norwegian lineages. Henrik Ibsen later referred to the Plesners among the patrician families of Skien, reflecting their position within the town's mercantile and social elite. Maria Plesner, who lived from 1768 to 1800, married Diderik von Cappelen. Their descendants included members of the Cappelen family, among them the painter August Cappelen and landowner Severin Diderik Cappelen. Johanne Plesner, who lived from 1770 to 1847, first married ship's captain Henrich Ibsen and later shipowner Ole Paus. Through her first marriage she became the grandmother of playwright Henrik Ibsen, while her wider descendants included figures associated with the Ibsen, Paus, Cappelen, and related families. The historical significance of Plesner therefore rests on genealogy and social connections rather than on a modern commercial brand. Its documented legacy is the family's role in the development of Skien's patrician milieu and its relationship to Henrik Ibsen's ancestry. The supplied website and law-firm classification appear to refer to a different contemporary organization named Plesner and are not treated as attributes of this canonical family subject.
History
The Plesner family's documented history links Danish origins with a later position in Norwegian society. Johan Glüsing Plesner was born in 1703 in a merchant family from Kerteminde, Denmark. His father, Bendix Jens Plesner, was a merchant who died in 1708, and his mother was Anna Dorthe Bager. Around 1720, Johan moved to Skien in Norway, where he became a merchant. His migration formed the basis of the family's established presence in Norway. Johan married Karen Cathrine Hind, whose father, Knud Pedersen Hind, served as a municipal official in Kerteminde. Their son Knud Plesner, born in 1731, also became a merchant and remained associated with the family's commercial and social standing. Knud married Marie Roll and had two daughters whose marriages extended the family's connections into prominent Norwegian families. Maria Plesner married Diderik von Cappelen. Their children included Petronelle von Cappelen, Diderik von Cappelen, Marie Elisabeth Cappelen, Knud Cappelen, Inger Jørgine Cappelen, and Peder Cappelen. Later descendants included painter August Cappelen and landowner Severin Diderik Cappelen, demonstrating the family's connection to both cultural and landed circles. Johanne Plesner married Henrich Ibsen, a ship's captain, and subsequently Ole Paus, a shipowner. Her son Knud Ibsen was the father of Henrik Ibsen, making Johanne an ancestor of the internationally known playwright. The broader line also included numerous members of the Ibsen and Paus families, including public figures, businesspeople, artists, and cultural personalities. The family was recognized within Skien's patrician society. Henrik Ibsen's writings and family background associated the Plesners with the town's established mercantile families. The Plesner name is consequently important as a genealogical and historical subject, particularly for understanding the social environment from which Ibsen emerged. It should not be conflated with the modern Danish law firm that shares the name.
- 1797
Birth of Knud Ibsen
[1]Knud Ibsen, a son of Johanne Plesner and Henrich Ibsen, was born and later became the father of Henrik Ibsen.
- 1770
Birth of Johanne Plesner
[1]Johanne Plesner was born. Her marriages into the Ibsen and Paus families created important later genealogical connections.
- 1768
Birth of Maria Plesner
[1]Maria Plesner was born; her marriage to Diderik von Cappelen connected the family to the Cappelen lineage.
- 1731
Birth of Knud Plesner
[1]Knud Plesner was born to Johan Glüsing Plesner and later continued the family's mercantile presence in Skien.
- 1720
Migration to Skien
[1]Johan Glüsing Plesner moved from Denmark to Skien in Norway and established himself as a merchant.
- 1703
Birth of Johan Glüsing Plesner
[1]Johan Glüsing Plesner, the documented founder of the family's Norwegian line, was born in Kerteminde, Denmark.
Products and positioning
A historically documented Norwegian family of Danish origin, associated with the merchant elite of Skien and with the ancestry of Henrik Ibsen.
Sources1 sources
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