Complex sentence: Princess Gwendolyn refuses, since she dreams of a more handsome, gallant lover, and her personal maid Griselda (Mildred Natwick), who is a witch, has predicted that her true love will arrive at the castle to court her.
Split into simpler sentences: Princess Gwendolyn refuses; she dreams of a more handsome, gallant lover. Her personal maid Griselda (Mildred Natwick), who is a witch, has predicted that her true love will arrive at the castle to court her.