How many movies have Jules de Jongh and Robert Winthrop collaborated on?

They have worked on 13 movies together! Their first movie together was Angelina Ballerina: Love to Dance (2010) while their highest rated movie together was Angelina Ballerina: Sweet Valentine (2012). They have not worked together since Angelina Ballerina : On With the Show (2014). They are most known for their animation films together.