Alain I de Rohan also known as le Noir, was the 1st Viscount de Rohan and Viscount of Castelnoec. He was the third son of Eudon I de Porhoët

Porhoët

The first recognised vicomte de Porohoet was Guithenoc , formerly of Guilliers. Guithenoc was born in Guilliers, Moribihan, Brittany, Western France. He married Allurum of Guilliers. He became Vicomte, and in about 1008 he moved to La Trinite, in Porhoet, Morbihan, Brittany. There he built...

, viscount of Porhoët, and Emma de Léon (daughter of Guyomarch II, Viscount de Léon).

Life

He received as his inheritance, the sparsely populated western Porhoët, in 1116. He also owned a castle at Castennec and constructed another on the shores of the Oust which he named Rohan, the name he passed on to his descendants. In 1128, Alain de Rohan finished constructing his permanent residences and founded the Priory de la Coarde at Castennec for the monks at Redon Abbey

Redon Abbey

Redon Abbey, or Abbey of Saint-Sauveur, Redon , in Redon in the present Ille-et-Vilaine, Brittany, France, is a former Benedictine abbey founded in 832 by Saint Conwoïon, at the point where the Oust flows into the Vilaine, on the border between Neustria and Brittany.-History:In 832 Ratwili, a local...

, and a priory for Marmoutier Abbey

Marmoutier Abbey (Tours)

Marmoutier Abbey, also known as the Abbey of Marmoutier , was an early monastery outside Tours, Indre-et-Loire, France. In its later days it followed the Benedictine order as an influential monastery with many dependencies....

 near the château de Rohan.

Children

He had three children:

• Alain II de Rohan, 2nd Viscount de Rohan,
• Josselin
• Eudes, Viscount of Porhoet
  Eudes, Viscount of Porhoet
  Eudes/Odo II, count of Porhoet was the son of Geoffroy, Vicomte de Porhoët, and his wife Hawise . In 1148, after his marriage to Bertha, Duchess of Brittany, he became Duke of Brittany....
  
  , who in 1148 became second husband to Bertha, Duchess of Brittany
  Bertha, Duchess of Brittany
  Bertha of Cornwall , also known as Bertha of Brittany , was hereditary Duchess of Brittany between 1148 until her death. Bertha was the eldest daughter of Conan III of Brittany by Maude, the illegitimate daughter of King Henry I of England...
  
  , daughter of Conan III of Brittany, and Empress Matilda
  Empress Matilda
  Empress Matilda , also known as Matilda of England or Maude, was the daughter and heir of King Henry I of England. Matilda and her younger brother, William Adelin, were the only legitimate children of King Henry to survive to adulthood...
  
  . They had no decedents.

See also

• House of Rohan
• Guihomar of Léon
  Guihomar of Léon
  Guihomar, Guidomar, or Guyomar was the Viscount of Léon from 1168 until his death. He was the son and successor of Harvey...