What is the outcome if the heirs reject the excess amount above one-third when two bequests are made, without specifying which portion belongs to whom?

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The remaining one-third is divided equally between the two beneficiaries (the heir and the non-heir), meaning each receives one-sixth. This is the opinion of Al-Qadi, which aligns with Malik and Al-Shafi'i. The reasoning is that when the heirs approve the two bequests (totalling two-thirds), the heir competes with the non-heir for the one-third excess. When half of that excess is nullified by rejection, the nullification relates back to them equally, and what remains is shared between them, similar to a loss occurring without the rejection.