Origin of Surname
Derived originally from the Germanic Berhthramn ('berht' = brilliant + 'hramn' = crow) the name became 'Bertran' and then 'Bertrand' in medieval France.
The name is found in the Assize Roll of 1309 and the Jersey Chantry Certificate of 1550 contains eight Bertrams. Richard Bertram was a landowner in St Martin in 1331. The family is most prominent in the eastern Jersey parishes of St Martin and Grouville, and extensive trees in both parishes can be traced back to the 15th century. Linking the two families has not so far proved possible.
The name of Bertram is of very early occurrence in the annals of the island. In the Extente of 1331 Richard Bertram is mentioned as paying six sols for a bouvee of land in the parish of St Martin, which has for several centuries been the place of settlement of this family. Their estate of Grafford, Crafford, or Crayford, as it is variously spelt in the several Extentes, was formerly possessed by a family of Crauford, of English extraction, and which at a remote period appears to have been of much consideration and importance. In 1447 William Bertram was warden or governor of the Norman Isles, and may have been like William de St Jean, Drouet de Barentin, and Thomas de Hamptonne, a native of Jersey.
Arms : Azure, an eagle, displayed, or. Crest : A demi-lion argent.
The family of Bertram, of Grouville, has long been settled in that parish, and although, from the want of requisite documents, no connection can be established between it and the foregoing, there is but little doubt but that both proceed from one common source. It has possessed, from the reign of Elizabeth, the residence now tenanted by its representative, which is little altered in appearance from that period.
Arms : Or, an orle, azure. Crest : A demi-lion, gules, holding between the paws a shield of the arms.
- Bertrand (Probably a separate family)
- Bertrannus 1270 (from a Latin record)
The arrival of a large Bertram tree in July 2017 gave us the opportunity to reassess all of the existing trees. Errors previously identified in several earlier trees were confirmed and the new tree is now recommended as the most accurate and most comprehensive descend from Servais. We have now incorporated all the correct information in twelve earlier trees into the single new tree and the old trees have been deleted
These trees will undoubtedly link to the main tree above, but the links have not yet been established
- Descendants of Jean Bertram and Mabel Le Couve
- Descendants of Captain John Bertram, the Bertrams of Salem, Massachusetts. This is an expanded version of a branch of the above tree
- Bertram baptisms in Jersey
- Bertram marriages in Jersey (groom)
- Bertram marriages in Jersey (bride)
- Bertram burials in Jersey
- Amice John Bertram: Emigrant to New Zealand
- George Clement Bertram, Bailiff of Jersey
- George Bertram challenged Jurat election result in 1821
- John Bertram: Emigrant to Baltimore
- Rear-Admiral Charles Bertram
- The Bertrams of Massachusetts visit their Perchard, Touzel and Guiton relatives in Jersey Added 2016
Société Jersiaise Library records
Great War service
- Homestead, Grouville: Home to several Bertram families, including three Constables of the parish 
- Beau Desert, St Saviour
- Linen draper Elias Bertram was in business at 8 King Street in the 1840s
- Watchmaker Francis Bertram was in business at 8 Queen Street in the 1860s
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Notes and references
- ↑ Five Bertrams have been Constable of Grouville, the first three all called Elie