The ruling on a woman uncovering herself before her husband's paternal uncle and the age at which she must cover herself from a child

Question:
This appears to be a forwarded question asking: Is it permissible for me to uncover myself before my husband's father's brother, i.e., my husband's paternal uncle? Her second question is: Is there a specific age at which a child reaches the point where a woman must cover herself from him?

Answer:
In the name of Allah, the Most Gracious, the Most Merciful. Praise be to Allah, Lord of the worlds, and may Allah send prayers and blessings upon our Prophet Muhammad, and upon his family and his Companions. As for the husband's paternal uncle, it is not permissible for a woman to uncover herself before him because he is not one of her mahram (relatives one may not marry); rather, he is a stranger to her. The only one she may uncover herself before is her husband's father, based on the saying of the Exalted and Majestic, when He mentioned the prohibited relatives: . The one before whom a woman may uncover herself is her husband's father or her husband's father's father. As for his paternal uncles, his brothers, his maternal uncles, and all his other relatives, they are strangers to her, except for her husband's son or her husband's son's son, before whom she may uncover herself just as she does before her husband's father and her husband's father's father, if she uncovers herself before her husband's ancestors and his descendants. As for his collateral relatives, such as paternal uncles, brothers, brothers' sons, and maternal uncles, she may not uncover herself before them because they are strangers to her. As for the child, as long as he is a child, it is not obligatory for the woman to cover herself from him. Allah the Exalted said: . When the child reaches the age of puberty, it becomes obligatory for the woman to cover herself from him, based on the saying of Allah the Exalted: .