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From: John <>
Subject: Re: William de Grandison husband of Sybil de Tregoz (who are hisparents?)
Date: Sun, 19 Feb 2012 15:00:38 -0800 (PST)
References: <mailman.8.1329678545.28953.gen-medieval@rootsweb.com>
On Feb 19, 11:08 am, wrote:
> Luckily or unluckily, my paternal family is the senior representative of
> the House of Grandson nowadays. This means, to a certain extent, that the
> family holds a very important primary source for the genealogy of the
> Grandsons, as well as its branches the Sires de Belmont and La Sarra.
>
> I have, amongst my very voluminous papers on this family, the following:
>
> Guillaume de Grandson x Sybil de Tregoz,
>
> son of :
>
> Amédée/Amé sire de Grandson, viv 1278 + 1300
> x
> Benoite de La tour de Gerenstein, viv 1278
>
> son of:
>
> Pierre I sire de Grandson, chatelain de Moudon, chevalier, vicaire temporel
> de l'èvèque de Lausanne, viv 30/1/1255, + 31/8/1263
> x
> Agnes, fa Ulrich graf von Neuenburg, viv 1263
>
> Guillaume de Grandson was brother to:
> 1) Jacques, chevalier, sire de Belmont, viv 1297, who swore fealty to
> his suzerain the Sire de Montferrand and his wife the dame de La Sarra(z),
> my ancestors.
> 2) Agnes x Aymon sire de Montagny
>
> Peter
FWIW the possibility that Amédée de Grandson, rather than Pierre, is
the father of Guillaume/William, Lord Grandison (who married Sybil de
Tregoz) is mentioned in a roundabout way in CP 6:69 footnote b, in the
context of the biography of William's supposed brother Otes, Lord
Grandison. incidentally Peter's note above does not mention Otes as a
brother of Guillaume/William.
The footnote in CP doesn't reach afirm conclusion on the paternity
issue but seems to lean in favor of Pierre rather than Amédée as the
father of both Otes and William. It does cite, with some doubt, a
source to support Amédée as the father of William (and by extension
Otes), but in a quick check of the source (which is available on the
Gallica website - BNF) I can't immediately find that the cited source
actually supports the parentage indicated - or the alternative
parentage.
Peter, can you give us more details on the specific source of this
information in your family files? The limited information you've
given above on the [only?] two siblings of Guillaume represents a
pretty significant departure from at least one standard account of the
family - Schwennicke's ESNF vol. 11.
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