Current events in Afghanistan has resulted in turmoil in the country, this has led to extreme difficulty in leaving the country.
The following link provides the Irish Governments current position, this can be subject to change.
All Afghan asylum seekers are having their claims expedited, upon the granting of Refugee status, the recipient gains a right to apply for reunification of immediate (wife/children) family in addition to dependent family members such as parents.
It is recommended that if you have concerns or wish to make such applications, you should do so without delay.