Isabelle (Bretagne) de Montfort-Laval (abt. 1411 - 1443)

Ancestors

Wife of Guy (Laval) de Montfort-Laval — married 1 Oct 1430 in Redon, Bretagne

Descendants

Died 13 Jan 1443 at about age 32 in Auray, France

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Biography

Isabelle of Brittany^[1]

b. ante/during 1411^[2]

d. 14 Jan 1442/3^[3] Auray,

bur. Church of Jacobins, Nantes.^[4]

Parents

Jean (John) V, Duke of Brittany and Jeanne de France^[5]

Marriage

m. Guy Laval 01 Oct 1430 Redon.^[6] Issue: 10^[7]

• 1. Yolande (01 Oct 1431 Nantes - 8 No 1487)

m.1 21 May 1435 Vannes, Alain de Rohan, Comte de Porhoet (d.1454)

m.2 14 Jul 1454 Redon Guillaume d'Harcout, Count of Tancarville (died 1484),

• 2. Francoise (b./d.1432 Vannes)^[8]

• 3. Jeanne (b. 10 Nov 1433 Auray - 19 Dec 1498 Saumur) m. 10 Sep 1454 Rene d'Anjou, Duc de Lorraine, titular King of Sicily and Jerusalem (d.1480)

• 4. Anne (b./d.1434)^[9]

• 5. Francois (b.16 Nov 1435 Montcontour)^[10]

• 6. Jean (b.14 Feb 1437 Redon)^[11]

• 7. Arthuse (14 Feb 1438 Vannes - d. Uknown Provence)

• 8. Helene (17 Jun 1439 - 3 Dec 1500) m. 15 Jan 1450 Jean de Malestroit, Seigneur de Derval et de Combourg (d.1482)

• 9. Louise (13 Jan 1441 Montfort - 1480) m. 15 May 1468, Jean III de Brosse (or de Bretagne), Comte de Penthievre (d.1502)

• 10. Pierre (17 Jul 1442 Montfort - 4 Aug 1493 Angers)^[12]

Sources

1. ↑ alias: Isabeau or Ysabel
2. ↑ her next sister was born in April 1412 (van Kerrebrouck, p. 397)
3. ↑ Van Kerrebrouck has 14 Jan 1442 (probably OS); 14 Jan 1443 (Schwennicke)
4. ↑ will left many bequests to the churches and monasteries in Brittany and requested the foundations of others, including a Dominican Convent at Laval. (Wikipedia)
5. ↑ Father: Charles VI de Valois, King of France; 2nd child
6. ↑ dispensation from Pope Martin V 29 June 1430 (Van Kerrebrouck, p. 397 & p. 402-03, notes 42 & 45);
   
   m.1 Louis III d'Anjou, Duke of Anjou, King of Sicily by proxy 31 Mar 1424 -- betrothed by treaty 3 July 1417 Chateau d'Angers; ratified by Louis on 19 Feb 1422; Reine de Sicilie (Queen of Sicily) (Van Kerrebrouck, p. 397 & p. 402, note 42: Van Kerrebrouck, Brun & de Merindol, p. 291, note 5);
   
   Isabelle's younger sister, Marguerite was betrothed to Gui XIV de Montfort-Laval, Comte de Laval 17 Mar1420 but died June 1421. Jean V promised a daughter to Gui, and gave Isabelle... breaking off Louis's engagment
7. ↑ Schwennicke, Tafel 145
8. ↑ d. 14 days old; bur. Vannes
9. ↑ d. 6 weeks old, buried at Vannes
10. ↑ succeeded as Guy XV
11. ↑ succeeded as Seigneur de La Roche-Bernard; father of Guy XVI, Comte de Laval
12. ↑ clergy. Archbishop of Rheims 1474; bur.St Aubin, Angers.

• 'Isabelle de Bretagne', Wikipédia, l'encyclopédie libre, 18 December 2014 (http://fr.wikipedia.org/w/index.php?title=Isabelle_de_Bretagne&oldid=110068695 : accessed 19 April 2015).

• Schwennicke, Detlev (ed.), Europäische Stammtafeln: Stammtafeln zur geschichte der Europäishen Staaten, Neue Folge, Band XIV - Les Familles Feodales de France II, Marburg: Verlag von J.A. Stargardt, 1991.

• Van Kerrebrouck, Patrick, Nouvelle histoire genealogique de l'auguste Maison de France, Tome II - Les Capetiens 987-1328; Villeneuve d'Ascq, 2000.

• Van Kerrebrouck, Patrick; Brun, Christophe & de Merindol, Christian, Nouvelle histoire genealogique de l'auguste Maison de France, Volume III - Les Valois, Villeneuve d'Ascq, 1990.