managing goose flock

Sorry for the long post but we are newbies and really need advice. We have 3 male and 7 females in our Embden and Toulouse free range flock, all under 1yr old. We have 1 very broody Embden goose that stays on her nest, and at least two others, 1 Toulouse and 1 other Embden, that sit often on 3...