First thing first...

1> be in Qatar first and acquire Residence Permit...

2> once u have the residence permit, u may petition your family to come along with you in Qatar.

this may be an effective choice... meanwhile, u may likewise come with the whole family at once but there seems might be tight time to chase in order for all of you to settle to do and to wait for immigration requirements procedures.

~~~ We could learn a lot from crayons; some are sharp and some are dull, some are pretty, some have weird names and all are of different colors, but they all have to learn to live in the same box.~~~