Frédéric I de Mousson, comte de Ferrette

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FREDERIC, son of THIERRY de Mousson & his wife Ermentrude de Bourgogne [Comt%C3%A9] ([1074/78]-19 Jul [1160], bur Oelenberg). He was mentioned first in order in the list of his mother's living children in her 1105 document. "Filia Wilelmi comitis de Burgundia Hermentrudis et filii sui Fridericus, Raginaudus, Theodericus" founded the Cluniac abbey of Froidefontaine by charter dated 8 Mar 1105 in which she names "suis antecessoribus…filiis autem Theoderici atque sue uxoris Hermentrudis, Lodewico, Wilelmo, Hugone"[304]. The Chronicle of Alberic de Trois-Fontaines names (in order) "Theodoricum de Monte Beliardi, Fredericum de Ferretes…et Renaldum Strabum comitem de Barro Ducis" as the three brothers of Etienne Archbishop of Metz[305]. During his youth he was miraculously cured of paralysis thanks to Saint Morand[306]. He succeeded his father in 1103 in his territories of Altkirch and Ferrette. He is titled Comte de Montbéliard in his mother's 1105 document. He subscribed an act in 1111 with his father-in-law[307]. He became avoué of the abbey of Lure on his second marriage[308]. He is titled Comte d'Amance in 1112 and 1137, and Comte de Ferrette in 1125[309]. "Fridericus comes de Firretho cum uxore mea Stephania et filio meo Lodoyco" founded the monastery of Feldbach by charter dated 1144[310]. The necrology of Basel records the death "XIV Kal Aug" of "Fridericus comes de Ferreto" and his burial "in Oelenberg"[311]. m firstly (before 12 Apr 1111) PETRISSA von Zähringen, daughter of BERTHOLD Herzog von Zähringen (-[1115]). Her parentage and marriage are confirmed by a charter dated to [1115] which records that "domina Petrissa, filia ducis Bertholdi" donated "predium…apud Volpach", by the hands of "viri sui comitis…Friderici de Phirrith"[312]. m secondly ETIENNETTE de Vaudémont, daughter of GERARD Comte de Vaudémont [Lorraine] & his wife Heilwig von Egisheim (-[4 Dec 1160/1188], bur Oelenberg). "Fridericus comes de Firretho cum uxore mea Stephania et filio meo Lodoyco" founded the monastery of Feldbach by charter dated 1144[313]. The necrology of Basel records the death "II Non Dec" of "Stehania comitissa" and her burial "in Oelenberg"[314]. Comte Frédéric & his second wife had one child:

1. LOUIS [I] de Ferrette (-1180). The Chronicle of Alberic de Trois-Fontaines names "comitis Ludovici" as son of "Fredericum de Ferretes"[315]. "Fridericus comes de Firretho cum uxore mea Stephania et filio meo Lodoyco" founded the monastery of Feldbach by charter dated 1144[316]. He succeeded his father in [1160] as Comte de Ferrette. "Ludovicus comes Ferretensis et dominus de Wadens" confirmed donations to the abbey of Rosières by "domini Vualcherii Salinensis et…domini Friderici imperatoris", previous holders of the castle of Vadans {Vadans, canton d´Arbois, Jura}, by charter dated 1173[317]. "Ludvicus comes Ferret, Odo comes de Rupe" are named as present in a charter dated 6 Sep 1178 which records a judgment by Emperor Friedrich I "Barbarossa" in favour of the abbey of Baume-les-Dames[318]. He was the heir of his maternal uncle Olry de Vaudémont Comte d'Egisheim in 1187[319]. He participated in the Third Crusade and was present at the siege of Acre in 1190[320]. m RICHENZA von Habsburg, daughter of WERNER [I] Graf von Habsburg & his wife --- (-Dec 1180). A Habsburg genealogy names "Adelberctum, Gerdrudem de Mümpelgard, Richenzam de Fierrito" as the children of "Wernherus"[321]. Louis [I] & his wife had three children:

• a) ULRIC (-murdered 27 Sep 1197). He succeeded his father in 1180 as Comte de Ferrette. He was assassinated on the orders of Othon Comte Palatin de Bourgogne[322]. The Annales Maurimonesterienses record that "Hulricus comes" was killed in 1197[323].
• b) LOUIS [II] (-1189). He succeeded as Comte de Ferrette, Seigneur de Vadans. He died while on Crusade[324]. m AGNES von Sogren, daughter of UDELARD [II] Graf von Sogren [Soybi%C3%A8res/Saugern] & his wife Adelheid ---. Louis & his wife had one child:
  • i) FRIEDRICH [II] (-murdered [1232/25 Jan 1233]). He succeeded as Comte de Ferrette. - see below.
• c) HELWIDE . 1188.