Descendants of Abraham Jean

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Descendants of Abraham Jean

This page is an attempt to correct the many inaccurate trees to be found on the web, covering early generations of the Jean family - the ancestors of Augustine Jean, who emigrated to America from Jersey. The trees have largely been posted by American researchers, and are examples of all that is bad about online genealogy, particularly American genealogy, which attempts to trace family roots back to the Channel Islands, and copies information from one tree to another without even attempting to see whether it makes any sense.

Jean family page and links to other trees

A blue link anywhere in the text will lead you to another page with more information on this family

If you spot any errors in this tree or are able to provide additional information, either click on the Discussion tab at the top of the page and leave details there (you need to be a registered user) or send an email to Registered users can also edit this tree, and are welcome to add additional information. However, if you think there are errors, please contact us first so that your proposed adjustments can be discussed with the original submitter of the tree


This family originated in St Ouen, in the north-west of Jersey, for which baptism records are not available before 1600, and not before 1611 for the Jean family. Many online trees show three generations of the Jean family before then, all very clearly copied from each other, or a single source, because the same errors are to be found in every tree.

The head of the family is mysteriously named as Pierre Lavalleaunerve (1530-1565), married to Marguerite Le Breton (1545-1578). The name Lavalleaunerve is unknown in Jersey records - indeed, we have been able to find no trace of it anywhere. We have come to the conclusion that it is a corruption of Ville au Neveu, a district of St Ouen where the Jean family is known to have lived. Other trees - see Descendants of Thomas Le Breton - show that Marguerite Le Breton was married to Pierre Le Rossignol.

Although the Jean and Le Rossignol families are joined by marriage three generations down, it seems hardly credible that Abraham Jean's father was Pierre Le Rossignol.

Pierre's wife (Abraham's suggested mother) is widely shown as Marie Minit Mahier (1565-1590). This is also highly suspicious because Minit is not known as a surname or forename in Jersey, or in France, or anywhere else, as far as we are aware, and Jersey people invariably had two names, forename and surname in the 16th century, and for a long time after.

Further evidence, if any were needed, of how little trust should be placed in these American versions of early Jersey families, is given by the entry for Abraham in the Ancestry tree which appears to be the source for many of the others:

Abram Jean Gustine, 1565-1636
Birth 1565, St Ouens, Isle Jersey, Channel Islands, France
Death 1636, Le Tacq, SO, English Channel, Isle of Man

In fact, Abraham was born and died at l'Etacq, St Ouen, Jersey, and had no connection either with France or the Isle of Man. His name was Abraham Jean. The Gustine element added to his name here did not emerge until nearly a century later in the USA.

Another tree shows his son Edmond as Edmond Jean De La Tacque Gustine, born at Stowens Isle Jersey Channel Islands, Eng. He was Edmond Jean, born at l'Etacq, St Ouen, Jersey. Neither De la Tacque or Gustine ever formed part of his name.

Another tree, by a researcher living in Jersey, shows Pierre and Marie, who were both dead by 1590, having sons Augustin Jean (1597–1674) and Edmond Jean (1597–1674).

Ancestry tree copying

It is possible to move from tree to tree in Ancestry and establish with a reasonable degree of certainty which trees were copied from which, in what order. One tree submitted to us some time ago, and rejected for inclusion in Jerripedia because of the errors it contained, referenced 26 other Ancestry trees among its sources.

Depending on which source is believed, Augustine Jean (aka John Gustin) died in Falmouth, Massachusetts or Portland, Maine. Some trees show him and his wife Esther Makepeace Browne having 11 children, or even more if duplicates are counted, andone dying at the age of 109. But the family history - Capt Augustine Jean, which has been present on Jerripedia since 2014, shows only the five we have included in the tree below.

  • 1 Abraham Jean (1565-1636) m Marie Mahier (1565-1590)
    • 2 Edmond Jean (1597-1674) m (1638, St O) Esther Le Rossignol (1612-1672) d of Jean, of l'Etacq (this marriage is in the St Ouen register)
      • 3 Jeanne Jean (1638- )
      • 3 Edmond Jean (1640-1676) (not in baptism register)
      • 3 Catherine Jean (1642-1712)
      • 3 Jean Jean (1644- )
      • 3 Augustine Jean (1647-1719), b Jersey, d USA, Massachusetts m (1678, Salem, Mass) Elizabeth Makepeace Browne (1657-1720), d of John (1631-1697) and Esther Makepeace (1634-1685)
        • 4 John Hugh Gustin (1691-1777)
        • 4 Abigail Gustin (1693- )
        • 4 Ebenezer Gustin (1796- )
        • 4 Thomas Gustin (1699- )
        • 4 David Gustin (1703- )
      • 3 Marguerite Jean (1650-1730)

Because of the uncertainty over the children of Augustine Jean and Elizabeth Makepeace Brown, we have not attempted to take this tree beyond the fourth generation.

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