If you are from the UK and under 30 - there is a certain visa allowing you work in Canada for up to a year..

Here:
(I'm not allowed to post the link...... so google Bunac and then go onto 'Work Canada' on the British side)

I'm not sure if you're able to get it, having kids. Or whether you're actually married or whatnot. Or if that even makes a difference..

But it's worth looking into..