A leaves a legacy to "the children of B". B is dead and has left only illegitimate children. Who are…

Under section 100, where there are no legitimate relatives answering the description, the words apply to those who have acquired the reputation of being such relatives at the date of the will. Illustration (iv) to section 100 says "all those who had at the date of the Will acquired the reputation of being the children of B are objects of the gift". Reputation gained only after the will, before A's death, does not count.