Note: The consensus is that her husband is Thomas of Savoy, and that her parents are William I of GENEVA and Marguerite Beatrice of FAUCIGNY[5].
Death
Death: 8 Apr 1257 Pierre Chatel, Isere, , France[1]
Death: 8 APR 1257 Pierre Chatel, Isere, Rhone-Alpes, France Age: 76-77
Note: Where does Isère come from? Pierre-Châtel could be either the village in current Isère or the charterhouse in Ain (at Virignin in Bugey), then part of Savoy. Rassinot-1 06:50, 21 April 2018 (UTC)
Note
Stammtafeln (Freytag) Bund II, Tafel 110 shows Beatrix as Faucigny Thomas's only wife and mother of his children. The Complete Peerage vol.IV,pp320-321,note c shows Marguerite dau. of Humbert, Count of Geneva. CP vol.XIV shows no change.
↑Beatrix de Savoire in Ataviµ regiµ : consisting of sixty copies only Ancestry.com Publication: Online publication - Provo, UT: The Generations Network, Inc., 2005.Original data - Brydges, Egerton,. Ataviµ regiµ : consisting of sixty copies only. Florence: Printed by J. Marenigh, 1820.Original data: Brydges, Egerton,. Ataviµ regiµ : consisting of six Note:
↑Ataviµ regiµ : consisting of sixty copies only Ancestry.com Publication: Online publication - Provo, UT: The Generations Network, Inc., 2005.Original data - Brydges, Egerton,. Ataviµ regiµ : consisting of sixty copies only. Florence: Printed by J. Marenigh, 1820.Original data: Brydges, Egerton,. Ataviµ regiµ : consisting of six Note:
↑All Ancestral Roots of Certain American Colonists Who Came to America Before 1700 results for Beatrix De Savoie Title: Ancestral Roots of Certain American Colonists Who Came to America Before 1700 Author: Ancestry.com Publication: Online publication - Provo, UT, USA: The Generations Network, Inc., 2006.Original data - Weis, Frederick Lewis. Ancestral Roots of Certain American Colonists Who Came to America Before 1700. Baltimore, MD, USA: Genealogical Publishing Co., 2004.Original data: Ancestral Roots of Certain American Colonists Who Came to America Before 1700 Author: Weis, Frederick Lewis Date of Publication: 2004
↑Béatrix Marguerite de Genève, Cawley, Charles. Medieval Lands: A Prosopography of Medieval European Noble and Royal Families. Burgundy Kingdom, Chap. 1A Comtes de Genève, Accessed Apr 2018
That would also echo her mother, and for the same reasons.
That would also explain some confusions below in her female descendants where the name Margaret may or may be not precede Avita/Avoie etc.
Just thinking aloud here...