This 1616 church has a fine Renaissance mausoleum in one of its chapels. The chapel opposite is dedicated to Our Lady of Grace, whose miraculous statue crowns the altar. The high-altar has a 17C ebony and ivory altarpiece framing an Adoration of the Magi with 51 figures of Arenberg family members. The convent includes rooms hosting the Arenberg Household Museum, with sculptures, paintings, tapestries, archives.