Matthew I of Montmorency

Matthew I (French : Mathieu de Montmorency; died 1160) was lord of Montmorency, Marly, Conflans-Sainte-Honorine and Attichy. He was also Constable of France from 1138 to 1160 under Louis VII. ^[1]

He was the eldest son of Bouchard IV de Montmorency and Agnes de Beaumont-sur-Oise. ^[2]

In 1126 he married Alice FitzRoy (Alix), illegitimate daughter of King Henry I of England, ^[3] and had the following issue:

1. Henri, died young before 1160
2. Bouchard V de Montmorency, (d. 1189 in Jerusalem), who married in 1173 Laurette of Hainaut (d. 9 August 1181), daughter of Count Baldwin IV of Hainaut. ^[3] They had a son Matthieu II de Montmorency, nicknamed the Great.
3. Theobald de Montmorency, seigneur de Marly, he went on crusade in 1173. He died as a Cistercian monk sometime after 1189. ^[4]
4. Herve de Montmorency, abbot of Saint-Martin de Montmorency, then deacon of the Church and dean of Paris before his death in 1192. ^[4]
5. Matthieu de Montmorency (d. Constantinople 1204), ^[5] he inherited the lordship from his brother Theobald; father of Bouchard de Marly.

Alix died before 1141. Matthew then married Adelaide of Maurienne, the widow of Louis VI of France. ^[6]

References

1. Crouch 1986, p. 64.
2. Seale & Wacha 2023, p. 347.
3. Zerner 1992, p. 449.
4. Baldwin 2019, Table 6.
5. Lippiatt 2017, p. xvii.
6. Henneman 1995, p. 7.

Sources

• Baldwin, John W. (2019). Knights, Lords, and Ladies: In Search of Aristocrats in the Paris Region, 1180-1220. University of Pennsylvania Press.
• Crouch, David (1986). The Beaumont Twins: The Roots and Branches of Power in the Twelfth Century . Cambridge University Press.
• Henneman, John Bell Jr. (1995). "Adelaide of Savoy". In Kibler, William W.; Zinn, Grover A. (eds.). Medieval France: An Encyclopedia. Routledge.
• Lippiatt, G. E. M. (2017). Simon V of Montfort and Baronial Government, 1195-1218. Oxford University Press.
• Seale, Yvonne; Wacha, Heather, eds. (2023). The Cartulary of Prémontré. University of Toronto Press.
• Zerner, Monique (1992). "L'epousa de Simon de Montfort, et la croisade albigeoise". In Duby, Georges (ed.). Femmes, mariages, lignages – XIIe-XIVe siècles: Mélanges offerts à Georges Duby (in French). De Boeck-Wesmael.