Hadith 500
Lady Aisha (may Allah be pleased with her) says that a man sought permission from her, but she refused to grant him permission. He said: "I am your foster uncle." When the Prophet (peace and blessings be upon him) arrived, Lady Aisha (may Allah be pleased with her) informed him, so he (peace and blessings be upon him) said: "Grant him permission, he is your foster uncle."
Hadith 501
Sayyiduna Abu Qais (may Allah be pleased with him) came to Sayyidah Aisha (may Allah be pleased with her) and sought permission to meet her, but Sayyidah Aisha (may Allah be pleased with her) disliked granting permission. When the Noble Prophet (peace and blessings be upon him) came, Sayyidah Aisha (may Allah be pleased with her) said: O Messenger of Allah! Abu Qais came and asked me for permission, but I refused to grant him permission. The Prophet (peace and blessings be upon him) said: "He is your uncle, he may come to you." Abu Qais was the brother of Sayyidah Aisha’s (may Allah be pleased with her) foster father.
Hadith 502
Sayyida Sahla bint Suhail (may Allah be pleased with her) says that the slave of Sayyiduna Abu Hudhaifah (may Allah be pleased with him) used to come and go in our house. I mentioned this to the Prophet (peace and blessings of Allah be upon him), so he said: "Give him your milk to drink, then he will become forbidden to you."