The limitations in the choice of spouse are found in the Coran
81 Sure 4, verses 22, 23. Go to end note page . A man cannot marry his own mother (or other of this father's wives), his daughter or granddaughter, his mother's sister, his father's sister, his sister, his brother's daughter, his mother-in-law or step-daughter. But, in addition, a nonmarriageable relationship exists not only between blood relations and intermarried persons but also in respect of milk kinship, which is put on a par with blood relationship. As the law at the same time recommends that a spouse be sought within the
family, marriage possibilities are cousins and second cousins, that is the descendants of uncles, aunts, grand uncles and grand aunts
82 Juynroll 1910, 218 et seq. - Cf. Granqvist 1939. 65 et seq. - Cf. Lane 1944, 161 et seq. Go to end note page . Of these marriage possibilities the cousin on the father's side is preferable and then the cousin on the mother's side.