مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٥١٧ - is not entitled to subsistence during Iddah

(ix) The descendants of the husband of that woman whose husband is the owner of the milk, how much so ever down they may go, although they may be hit foster children
(x) Father and mother of that husband who is the owner of the milk how much so ever above they may go in the line.
(xi) Sister and brother of the husband who is the owner of the milk although they may be his foster sister and brother.
(xii) Paternal uncle and paternal aunt and maternal uncle and maternal aunt of the husband who is the owner of the milk how much so ever above they may go in the line although they are his foster uncles and aunts. There are some other persons also (details regarding whom will be given in the following Articles) who become mehram on account of sucking milk.
٢٤٧٤. If a woman suckles a child with the condition which will be mentioned in Article ٢٤٨٣ the father of the child cannot marry the girls whom that woman has given birth but it is permissible for him to marry her foster daughters although the recommended precaution is that he should not many them. Moreover. he cannot also marry the daughters of the husband who is the owner of the milk although they may be his foster daughters. And in both the cases if any one of them is his wife at present his marriage becomes void.
٢٤٧٥. If s woman suckles a child with the conditions mentioned in Article ٢٤٨٣ the husband of that woman who is the owner of the milk does not become mehram of the sisters of that child, but the recommended precaution is that he should not marry them. Furthermore, the relatives of the husband do not become mehram of the sister and brother of that child.
٢٤٧٦. If a woman suckles a child she does not become mehram of the brother of that child. Moreover. the relatives of that woman do not become mehram of the brother and sister of the child suckled by her.