Louis I, seigneur de Faucigny

Louis de Faucigny

The Faucigny origin is unclear.. According to some, they were relatives and vassals of the Counts of Geneva.

The family of Faucigny gave this name to the castle to the town and a province of the Duchy of Savoy (The Faucigny ). 

-http://fmg.ac/Projects/MedLands/burgkgenev.htm#LouisFaucignyMTetberga

a) LOUIS . His parentage is confirmed by the charter dated 4 Sep 1119 by which his son "Wido…Gebennensis episcopus" donated "ecclesiam de Condominio" for the souls of "patris mei Ludovici et avi mei Ermenradi…" to Cluny[315]. "Wido…Genevensis episcopus" donated "ecclesiam Sanctæ Mariæ...in villa...Contamina" to Cluny, for the souls of "avi nostri bonæ memoriæ Aimeradi et patris nostri Ludovici atque Widonis, Giserberti, Ottonis, Wilentii, avunculorum nostrorum", by charter dated 1 Feb 1083 (O.S.?)[316]. Seigneur de Faucigny. [1030]/[1060].

m as her first husband, TETBERGA, daughter of ---. Her marriage is confirmed by the charter dated 4 Sep 1119 by which "Wido…Gebennensis episcopus" donated "ecclesiam de Condominio" for the souls of "…matrie mee Teberge" to Cluny[317]. She married secondly [as his second wife,] Géraud Comte de Genève. Her second marriage is confirmed by the undated charter under which "Aymo comes Gebennensis et filius meus Giroldus" founded the priory of Chamonix, signed by "uterini fratres comitis, Willelmus Fulciniacus et Amedeus…"[318].

  Louis & his wife had three children: 

http://www.geneall.net/F/per_page.php?id=516863