If you want something lightweight I'd go with the approach @jashkenas mentioned. But also might want to checkout: https://github.com/PaulUithol/Backbone-relati

If you want something lightweight I'd go with the approach @jashkenas mentioned. But also might want to checkout: https://github.com/PaulUithol/Backbone-relational https://github.com/PaulUithol/Backbone-relational