Cassatt's Parisian solitude is disrupted by the unexpected arrival of her brother's three kids, but she soon finds herself inspired and uses the children as models.Cassatt's Parisian solitude is disrupted by the unexpected arrival of her brother's three kids, but she soon finds herself inspired and uses the children as models.Cassatt's Parisian solitude is disrupted by the unexpected arrival of her brother's three kids, but she soon finds herself inspired and uses the children as models.