Thibaud of Luxembourg, Seigneur de Fiennes, Count of Brienne, Bishop of Le Mans, (died 1 September 1477),[4] married Philippa de Melun, by whom he had issue.
Isabelle of Luxembourg, Countess of Guise (died 1472), married in 1443, Charles, Count of Maine (1414–1472),[4]
Philippa of Luxembourg, Abbess of Saint-Maixent.
Peter also had 1 illegitimate child:
Jacques de Luxembourg, bastard de Saint-Pol (died 21 Jun 1528). Seigneur de la Boutillerie. m. Catherine de Werquigneul, Dame de Quinquempoix (died 2 Dec 1522).
Death
The Black Death hit Luxembourg, France, England and Spain in the 1340s when it causing the deaths of millions of people; and it continued to re-appear at intervals over the succeeding centuries. Peter was among its victims. He died at Rambures on 31 August 1433, aged 43 years, and was buried in the abbey at Cercamp, near Frévent.[4] His wife died 36 years later.
References
^Richardson, D. (2011). Kimball G. Everingham (ed.). Plantagenet Ancestry. Vol. 3 (2nd ed.). p. 538.
^Richardson, D. (2013). Kimball G. Everingham (ed.). Royal Ancestry. Vol. 5. pp. 422–423.