For French food costing between £20-25, there is The Green Man, near All Bar One in the riverside area. It is kids friendly.
[['Green Man', 'food', 'French'], ['Green Man', 'priceRange', '£20-25'], ['Green Man', 'area', 'riverside'], ['Green Man', 'familyFriendly', 'yes'], ['Green Man', 'near', 'All Bar One']]