Viscount Rohan
Viscount Rohan is in Viscounts of France.
In 1127 Alan "Black" Rohan 1st Viscount Rohan (age 43) was created 1st Viscount Rohan.
In 1147 Alan "Black" Rohan 1st Viscount Rohan (age 63) died. His son Alan Rohan 2nd Viscount Rohan succeeded 2nd Viscount Rohan.
Around 1166 Alan Rohan 3rd Viscount Rohan (age 29) and Constance Penthièvre Viscountess Rohan were married. She by marriage Viscountess Rohan. She the daughter of Alan "Black" Penthièvre 1st Earl Richmond and Bertha Canhiart I Duchess Brittany. She a great granddaughter of King Henry I "Beauclerc" England.
In 1170 Alan Rohan 2nd Viscount Rohan died. His son Alan Rohan 3rd Viscount Rohan (age 33) succeeded 3rd Viscount Rohan.
In 1195 Alan Rohan 3rd Viscount Rohan (age 58) died. His son Alan Rohan 4th Viscount Rohan (age 29) succeeded 4th Viscount Rohan.
In or before 1230 Alan V Viscount Rohan (age 25) and Aliénor de Porhoët Viscountess Rohan (age 29) were married. She by marriage Viscountess Rohan. They were first cousin once removed. He a great x 3 grandson of King Henry I "Beauclerc" England. She a great x 2 granddaughter of King Henry I "Beauclerc" England.
In 1243 Alan V Viscount Rohan (age 38) died. His son Alan VI Viscount Rohan (age 13) succeeded VI Viscount Rohan.
Before 1266 Alan VI Viscount Rohan (age 36) and Isabeau de Léon Viscountess Rohan were married. She by marriage Viscountess Rohan. He a great x 3 grandson of King Henry I "Beauclerc" England.
After 1266 Alan VI Viscount Rohan (age 36) and Thomasse de Roche-Bernard Viscountess Rohan (age 21) were married. She by marriage Viscountess Rohan. He a great x 3 grandson of King Henry I "Beauclerc" England.
In 1304 Alan VI Viscount Rohan (age 74) died. His son Oliver II Viscount Rohan (age 33) succeeded II Viscount Rohan.
In 1326 Oliver II Viscount Rohan (age 55) died. His son Alan VII Viscount Rohan (age 18) succeeded VII Viscount Rohan.
On 14 Oct 1352 Alan VII Viscount Rohan (age 44) died. His son Jean I Viscount Rohan (age 28) succeeded I Viscount Rohan.
Before 1360 Jean I Viscount Rohan (age 36) and Jeanne de Léon Viscountess Léon (age 29) were married. She by marriage Viscountess Rohan.
After 10 Sep 1372 Jean I Viscount Rohan (age 48) and Joanna de Navarre Viscountess Rohan (age 30) were married. She by marriage Viscountess Rohan. She the daughter of Philip "Noble" III King Navarre. She a great x 3 granddaughter of King Henry III of England. 
On 24 Feb 1395 Jean I Viscount Rohan (age 71) died. His son Alan VIII Viscount Rohan (age 35) succeeded VIII Viscount Rohan. Béatrix de Clisson Countess Porhoët and Porhoët by marriage Viscountess Rohan.
On 25 Jul 1429 Alan VIII Viscount Rohan (age 69) died. His son Alan IX Viscount Rohan (age 47) succeeded IX Viscount Rohan. Marguerite Montfort Viscountess Rohan by marriage Viscountess Rohan.