If they are on a family visit visa they can get the visa extended for 6months in total. then they will have to exit qatar. here is the link you can read it http://portal.www.gov.qa/wps/portal/!ut/p/c1/04_SB8K8xLLM9MSSzPy8xBz9CP0...
If they are on a family visit visa they can get the visa extended for 6months in total. then they will have to exit qatar. here is the link you can read it http://portal.www.gov.qa/wps/portal/!ut/p/c1/04_SB8K8xLLM9MSSzPy8xBz9CP0...