She was buried in the OrlÃ ans family chapel the CollÃ giale de Dreux . She was buried in the OrlÃ ans family chapel her sister-in-law , the Duchess of OrlÃ ans , who had died in 1821 , had built in CollÃ giale de Dreux in 1816 , as the final resting place for Bourbon-Toulouse-Penthi Ã vre and OrlÃ ans families .