The building was built in the 13th century .
The building was was named after the knight Geeraard Vilain ( 1210 - 1270 ) , second son of the fifteenth viscount of Gent , Zeger III of Ghent .
The building was built in the 13th century and was named after the knight Geeraard Vilain ( 1210 - 1270 ) , second son of the fifteenth viscount of Gent , Zeger III of Ghent .