Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Siena' has mentioned 'Feudal' in the following places:
Occurrence Sentence Text Source
[citation needed] Feudal power waned, however, and by the death of Countess Matilda in 1115 the border territory of the March of Tuscany which had been under the control of her family, the Canossa, broke up into several autonomous regions.