Joh. Enschedé | Laura Joh Rowland | Joh Bjelke-Petersen | Thomas Johannessen Heftye | Joh. Johannson | Joh. A. Benckiser |
His great-grandfather migrated to Norway from Hätzingen, Switzerland in the late eighteenth century, and founded the family company Thos. Joh. Heftye & Søn.