People with whom marriage is prohibited •
permanent or '
blood mahrams''''' include: • all direct ancestors • all direct descendants • siblings • siblings of parents, grandparents, and further antecedents • children and further descendants of siblings • '
in-law mahrams'''
with whom one becomes mahram'' by marrying someone: • all the ancestors of one's spouse • all the descendants of one's spouse • all who marry a direct ancestor • all who marry a direct descendant (A woman may marry her stepfather, but only if the stepfather has not consummated his marriage to her mother.) •
Rada or "'
milk-suckling mahrams'''
" with whom one becomes mahram'' because of being nursed by the same woman: • foster mother • foster sibling When a woman acts as a
wetnurse (that is she breast feeds an infant that is not her own child for a certain amount of time under certain conditions), she becomes the child's
rada mother. In English, these can be referred to as
milk brother, milk-mother, and so on. For a man,
mahram women include his mother, grandmother, daughter, granddaughter, sister, aunt, grandaunt, niece, grandniece, his father's wife, his wife's daughter (step-daughter), his daughter-in-law (if previously married to his biological son. She is not
mahram if she was married to his adopted son), his mother-in-law, his
rada mother and
rada sister. According to the Islamic prophet
Muhammad, "What is forbidden by reason of kinship is forbidden by reason of suckling." These are considered
mahram because they are mentioned in the
Quran (An-Nisa 22–23): All of the man's female relatives mentioned in these two verses are considered his
maharim, because it is unlawful (
haram) for him to marry them, except the wife's sister, whom he can marry if he divorces her sister, or if his wife dies. The notion of
mahram is reciprocal. All other relatives are considered non-
maharim.
Legal escorts of women during journey A woman may be legally escorted during a journey by her husband, or by any sane, adult male
mahram by blood, although an escort may not be required, including: • her father, grandfather or other male ancestor • her son, grandson or other male descendant • her brother • her uncle, great uncle, or uncle from a previous generation • the son, grandson, or other descendant of her sibling ==Rules==