as salaamu alaikum. 1) according to hanafee mazabh is contracting nikah with a women who has her menstuation at the time permissable? 2) is my son in law my mahram? 3) can my daughter and her husband live with my husband and i under the same roof with my other unmarried daughters?
1) It is permissible, valid. 2) Yes, but a young mother in law must be cautious. 3) Must be cautious 4) Hijaab from un-married daughter must be adhered to.