which Hugo had championed 是修饰什么的(求语法剖析和翻译)

which Hugo had championed 是修饰什么的？求语法剖析和翻译。

The publication ofThe Hunch Back of Notre Damein 1831, which made Hugo one of Frances most acclaimed authors, is widely credited with prompting the Gothic restoration of the cathedral in 1844, designed by the architect Eugene Viollet-le-Duc, which Hugo had championed.

https://www.telegraph.co.uk/culture/books/artsandentertainmentbooksreview/7945634/Real-life-Quasimodo-uncovered-in-Tate-archives.html

which Hugo had championed 为非限制性定语从句, which指代the Gothic restoration of the cathedral in 1844，并在从句中作宾语。champion在此为及物动词，意为：拥护、支持、声援等。

这个天主教堂1844年的修复工作曾得到 Hugo 的支持。