Final answer:
It is not clear who specifically came to visit Fereydoon before his execution or the conditions under which this visit was permitted based on the available information.
Step-by-step explanation:
The question pertains to the visitation of Fereydoon before his execution. Based on the available information, it is not clear who specifically came to visit Fereydoon before his execution or the conditions under which this visit was permitted.
The provided excerpts mention visits from various individuals, such as a great lady, an old servant named Jacob, and high-ranking delegations, but there is no clear connection to Fereydoon or his execution. Therefore, it is not possible to provide a specific answer to this question based on the given information.