Hello, thank you for the question. It's a good one.
There are a couple of key concepts to go over here.
Firstly, children of a marriage are entitled to be supported when the parents are separated. Child support normally extends to the age of majority, or when the child is finished high school. If the child is unable to withdraw from parental care and control after that age, they are still entitled to be supported. This happens most commonly when the child is disabled, or is registered in a full time post secondary education programming and attending it full time. Generally this support runs until the end of the first degree or diploma, but it can be extended.
So yes, if the children are living under your roof, or even if they treat your residence as "home base" while they are away at their studies, you can still get support for them.
The father earns $73000 per year, so the support for 2 children on that annual income in Manitoba is $1,012 per month. So unless there are other serious extenuating factors, that's what a court would order.
Sometimes with older children, the court will order a lower amount paid directly to the child, taking other factors into account, such as if your husband takes over more than his share of the debt of the marriage.
As well, if you ask the court to order your husband to contribute towards the children's tuition and other basic education costs you'll likely get that too. These costs are normally split in proportion to the parents' incomes, with the child contributing a reasonable amount from their own work and student loans.
You've asked about spousal support too. Yes, you are absolutely entitled to spousal support after a long term marriage like this. However spousal support isn't as cut and dried as child support is. The court takes a variety of factors into account, including the incomes of each party, their age and health, the length of the marriage, how long it will take the spouse claiming support to become self sufficient (if ever), the asset base of each spouse after the property is divided, and the presence or absence of child support payments. The needs of the claimant are examined, as is the other party's ability to pay. Naturally, there are tax consequences of all this too which is worked into the equation.
A good place to start is to go to a website called mysupportcalculator.ca which is a free basic version of the guidelines used by judges to help come up with a figure of how much support and for how long. Go there and play with it, enter figures as are appropriate to you, and see what ranges you get. You might be surprised.
Remember that your husband has a pretty solid pension if he's a regular employee of the federal government, so there's money here locked away. It's not a desperate for you as you seem to be fearing.
So I recommend that you go to that website and play around with it, and make an appointment to see a family law lawyer soon. I know that lawyers aren't cheap but this is complicated stuff and there's too much at stake to try to do this on your own.
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