For Visit visa for your wife or your children no need Housing Contract..!

Expatriate Affairs & Unified Services Centers

Requirements:

Fill up the form and submit personally by the sponsor

Requirements for applying visa for wife :

Copy of personal ID or passport of the resident husband

Letter from husband's employer citing profession and salary

Copy of attested marriage contract

Copy of wife's valid passport
Requirements for applying visa for other relatives :

Copy of personal ID or passport of the spon sor.
Copy of sponsor's wife's passport with valid residence permit or residential tenancy contract.
Letter from employer of the sponsor citing profession and salary.
Valid passport copy of the visitor.
Document to prove relationship .
undergo medial test within 72 hours entering the country in case willing to extend for more than one month .

Fee
Visa issuance fee: QR 200, QR 50 for each accompanying person
Visa Extension fee: QR 200 for every month and QR 50 for each accompanying person

For more Details
http://www.moi.gov.qa/site/english/departments/PassportDept/news/2011/01...