 Complete the following phrase:  Very pious, Clémentine was authorized by her parents to frequent Madame Cléry, the superior of the Collège du Sacré-Cœur de Jette, not far from Laeken. There she rubbed shoulders, for a few hours on Thursday and Sunday, with other aristocrats, such as Marguerite de Limburg-Stirum and Nathalie de Croÿ. In April 1889, two months after the death of her brother-in-law Rudolf 